[化] 优┷吨酮; 1,7-二羟(基)-9-氧杂蒽酮(请比较flavone黄酮)

【寓言】The Ant and the Dove(有声)

The Ant and the Dove An ant went to the bank of a river to quench its thirst, and being carried away by the rush of the stream, was on the point of drowning. A Dove sitting on a tree overhanging the w

发表于:2018-12-05 / 阅读(352) / 评论(0)

创世记

【寓言】The Ant and the Grasshopper(有声)

The Ant and the Grasshopper In a field one summer's day a Grasshopper was hopping about, chirping and singing to its heart's content. An Ant passed by, bearing along with great toil an ear of corn he

发表于:2018-12-05 / 阅读(391) / 评论(0)

创世记

美国俚语:Hone one's skills什么意思?

Hone one's skills 是提高技能的意思，前段时间重温了电影《珍珠港》，里面也有用到这个俚语。例句： Owning my own computer gives me the chance to hone my computer skills. 有了自己的电脑，我的电脑技能就会

发表于:2019-01-08 / 阅读(321) / 评论(0)

美国俚语

The Ant and the Dove

An ant once leaned too far over the edge of a fountain and fell in-to the water．A dove was watching from a tree nearby．She saw that the ant could not swim so she plucked off a leaf and threw it down to him．He managed to scramble onto it and in

发表于:2019-01-26 / 阅读(422) / 评论(0)

趣味英语

The Ant and the Grasshopper

One cold，frosty day in the middle of winter a colony of ants was busy drying out some grains of corn which had grown damp during the wet autumn weather．A grasshopper，half dead with cold and hunger，came up to one of the ants．Please give me a

发表于:2019-01-26 / 阅读(434) / 评论(0)

趣味英语

The Ant and the Fly

An ant and a fly were contending heatedly who was of greater importance．The fly was the first to begin：Can you possibly compare with my endowments？When a sacrifice is made，I am the first to taste the entrails that belong to the Gods．I pass

发表于:2019-02-06 / 阅读(423) / 评论(0)

趣味英语

每日一词【1058】Hone：磨炼，提高技艺

今天我们要学的词是hone。 Hone, 做为动词，是磨炼，提高技艺的意思。 The candidate paid the consulting company a pretty penny to hone his campaign slogan, 这个候选人花了一大笔钱给咨询公司，帮他斟酌推敲竞选

发表于:2019-02-18 / 阅读(415) / 评论(0)

英语每日一词

学个词Learn a Word 第1058期 Hone

发表于:2019-02-18 / 阅读(260) / 评论(0)

英语单词荟萃

新西兰英语 213 Hone Harawira in trouble

Hone Harawira will stay away from Parliament for the next two weeks and think about his future. The Maori Party met on Thursday and the leader, Whatarangi Winiata, suggested that Hone leave the Party. He should resign from Parliament or resign from t

发表于:2019-02-19 / 阅读(305) / 评论(0)

新西兰英语

新西兰英语 455 Hone Harawira wins by-election

The result of the by-election in Te Tai Tokerau electorate yesterday was a win for Hone Harawira. Kelvin Davis, Labour, was second with 867 fewer votes than Hone. The Maori Party candidate was third. Hone says this is a win for the new Mana Party but

发表于:2019-02-25 / 阅读(324) / 评论(0)

新西兰英语

新西兰英语 433 Hone Harawira resigns from Parliament

The last few weeks have been difficult for the Maori Party. Hone Harawira has been the Maori Party MP for Te Tai Tokerau in the Far North of the North Island since the elections in 2005. However, he has not always agreed with the Maori Party and fina

发表于:2019-02-25 / 阅读(473) / 评论(0)

新西兰英语

加州英语分级G1 The Ant and the Grasshopper 01

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发表于:2019-03-02 / 阅读(345) / 评论(0)

加州英语分级G1

加州英语分级G1 The Ant and the Dove 08

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发表于:2019-03-02 / 阅读(364) / 评论(0)

加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 08

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发表于:2019-03-02 / 阅读(320) / 评论(0)

加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 07

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加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 06

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发表于:2019-03-02 / 阅读(328) / 评论(0)

加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 05

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发表于:2019-03-02 / 阅读(342) / 评论(0)

加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 04

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发表于:2019-03-02 / 阅读(339) / 评论(0)

加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 03

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发表于:2019-03-02 / 阅读(344) / 评论(0)

加州英语分级G1

加州英语分级G1 The Ant and the Grasshopper 02

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发表于:2019-03-02 / 阅读(394) / 评论(0)

加州英语分级G1

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