音标:['ækrәdәun] ;
吖啶酮

acridone的用法和样例:

例句

  1. Acridone alkaloids, a group of important bioactive compounds, are mainly in the citrus plant of Rutaceae family.摘要吖啶酮生物碱是一类重要的生物活性物质,芸香科柑橘类植物是天然吖啶酮的主要来源。

美国处于高度戒备状态 US on High Alert Kyle King Washington 11 Sep 2001 16:31 UTC Reeling from a series of terrorist attacks on New York and Washington, U.S. authorities have gone on a 1)coas

发表于:2018-11-29 / 阅读(265) / 评论(0) 分类 VOA2001-国际风云(5)

美国五角大楼仍正常工作 Pentagon Continues to Function Alex Belida The Pentagon 12 Sep 2001 14:56 UTC The deadly terrorist attack on the Pentagon has left the famous building badly damaged.

发表于:2018-12-08 / 阅读(268) / 评论(0) 分类 VOA2001-国际风云(5)

兵势篇 NO.2: 凡战者,以正合,以奇胜。 故善出奇者,无穷如天地,不竭如江海。 终而复始,日月是也。死而更生,四时是也。 声不过五,五声之变,不可胜听也; 色不过五,五色之变,不

发表于:2018-12-29 / 阅读(205) / 评论(0) 分类 孙子兵法

acerbic刻薄 acrid呛人的 affront侮辱 betray背叛 conscience良心 despise蔑视 disdain不屑 descent高雅 exaggerate夸张 insult侮辱 irony讽刺 ludicrous荒谬 mature成 mock嘲笑 provoke挑拨 passive消极分子 perverse反常 persecu

发表于:2018-12-30 / 阅读(195) / 评论(0) 分类 80天攻克雅思核心词汇

I just dont worry about the dole and housing benefit and the future of the Labour Party and where Im going to be in twenty years time and how Mr Mandela is adjusting to freedom. So time for another breather before the next paragraph because Ive barel

发表于:2018-12-31 / 阅读(244) / 评论(0) 分类 有声英语文学名著

Seamus Heaney A thick crust, coarse-grained as limestone rough-cast, hardened gradually on top of the four crocks that stood, large pottery bombs, in the small pantry. After the hot brewery of gland, cud and udder, cool porous earthenware fermented

发表于:2019-01-02 / 阅读(295) / 评论(0) 分类 英语诗歌

Summit of the Americas Opens amid Protests 美洲峰会在一片抗议声中开幕 The 34-nation Summit of the Americas began Friday in Mar del Plata, Argentina, as demonstrators filled the streets of

发表于:2019-01-03 / 阅读(277) / 评论(0) 分类 VOA2005(下)--国政军事聚焦

Its been two weeks since a forest fire started in Mendocino County, while the cause and origin of the fire are still under investigations. Officials say it is now that largest wildfire in the states history. A few lucky residents have been allowed to

发表于:2019-01-03 / 阅读(259) / 评论(0) 分类 VOA标准英语2018年(九月)

acquaintance n. 熟人,熟悉,认识,了解, acquiesce v. 默许,勉强同意 acquire v. 获得 acquisitive adj. 贪得无厌的;可获利的 acquit v. 宣告无罪 acrid adj. 辛辣的 ac

发表于:2019-01-11 / 阅读(330) / 评论(0) 分类 英文语法词汇

Andrei Savelyev, 46, stands at the site of his house that was burnt down during the forest fires, 17 Aug 2010, in the village of Yuzhny, in the Nizhny Novgorod region, some 300 kilometers (187.5 miles) east of Moscow The heat wave that gripped Moscow

发表于:2019-01-13 / 阅读(232) / 评论(0) 分类 VOA标准英语2010年(八)月

Some 500 fires continue to blaze across Russia. The flames have created toxic fumes in the capital of Moscow. Several embassies, including those belonging to the United States and Canada, have evacuated all non-emergency personnel due to the many hea

发表于:2019-01-19 / 阅读(264) / 评论(0) 分类 VOA双语新闻 2010年8月

The 62nd prime-time Emmy Awards (the top awards for television production in the US) last Sunday night proved to be full of surprises. 上周日晚,第62届黄金时段艾美奖(美国电视剧最高奖项)颁奖典礼全程可谓惊喜连连。

发表于:2019-01-19 / 阅读(270) / 评论(0) 分类 中英双语新闻

In contrast, Jupiter and Saturn are all atmosphere. Unlike Earth, Jupiter doesnt really have a solid surface that you could stand on and then have your head up in the atmosphere looking at the clouds. Its just a giant, giant gas ball. Only one other

发表于:2019-01-23 / 阅读(247) / 评论(0) 分类 探索与发现2014年

By Ed Yeranian Beirut 10 May 2008 Hezbollah said it would withdraw all its fighters from the streets of Lebanon's capital, after Lebanon's army command said it would retain the pro-Hezbollah security chief at Beirut Airport, whose dismissal sparked t

发表于:2019-02-04 / 阅读(231) / 评论(0) 分类 VOA标准英语2008年(五月)

BEIJING China, the worlds leading emitter of greenhouse gases from coal, is burning far more annually than previously thought, according to new government data. The finding could vastly complicate the already difficult efforts to limit global warming

发表于:2019-02-06 / 阅读(259) / 评论(0) 分类 英语新闻

And now to the day's other major story. It is in London, where a fast-moving fire engulfed a high-rise apartment building. It killed at least 12 people and injured scores. We have a report from Dan Rivers of Independent Television News, and with a wa

发表于:2019-02-17 / 阅读(249) / 评论(0) 分类 PBS访谈社会系列
学英语单词
a terre
abscondee
admonitors
adzooks
Aeschynanthus stenosepalus
aktpsychologic
Anthericum
artemisol
at the remembrance of
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bank's loan
basic slag practice
before common era
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boiler uptake
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Custines
cymosin chymase
depositate
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ex plant
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fragility tests
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girder for model attachment
give freedom
gusano
half exterior and half interior syndrome
hand - held computer
have an eye for sth
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ill-usages
internal cohesion
ion bombardment ion source
isotopic activation cross section
job control language simplification
knuckle line of keel
Laguna Park
Leishmania tropica minor
lithistids
Lokolenge
low water slack
majorons
methyluramine
midautumn
Milton-Freewater
moderationist
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nardello
Oilite alloy
owl train
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pars distalis hypophyseos
photoisolator
plicata
probate action
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queuing principle
recitational
register punch
Retail investors
Rheopyrin
round robin scheduling
sacculocylindrical bronchiectasis
Salmoral
Schlenke loudspeaker
second-pair front
shipment from point of origin
short-time rating
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sky wave.
solar-terrestrial relationship
stemplots
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stpd
symbolic link
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theorem of potential energy
thiolanes
three-space
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tubal adenomyosis
tuvs
Umm Raqm, Jabal.
Ungarettian
unskilled person
us'd
visceral hemorrhage
warbonnet
water carriers
within large water boiler
word is that
zack merrick