烟火剂

pyrotechnic compound的用法和样例：

例句

IR pyrotechnic materials are the important components of IR decoy flare.红外烟火剂是红外干扰弹的重要组成部分。

国家地理:July 4th: Exploring the Myth 美国国庆

The 4th of July is America's birthday bash . This summer ritual of picnics, parades and pageantry celebrates the formal adoption of the Declaration of Independence in 1776, the most cherished document in our history. It declared an end to England's c

发表于:2018-12-05 / 阅读(43) / 评论(0)

国家地理2007年

AGRICULTURE REPORT - Scientists Find Compound in Smoke that

AGRICULTURE REPORT - Scientists Find Compound in Smoke that Helps Seeds Grow By Mario Ritter Broadcast: Tuesday, July 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. A di

发表于:2019-01-11 / 阅读(72) / 评论(0)

农业与发展

VOA标准英语2009年-WFP Compound in Somalia Attacked by 'Rogue

The United Nation's World Food Program says rogue members of Somalia's extremist al-Shabab group attempted to raid its compound late Sunday in the Somali town of Wajid, about 300 kilometers northwest of Mogadishu. World Food Program spokesman, Peter

发表于:2019-01-14 / 阅读(84) / 评论(0)

VOA标准英语2009年(八月)

Compound Nouns: Putting Words Together

What do these five words have in common: hotdog, fireworks, well-being, waistline, sunset and ice cream? They could all describe a fun holiday celebration. For example: My holiday was wonderful! I went to a friends party and we laughed, ate and had a

发表于:2019-01-21 / 阅读(117) / 评论(0)

2018年VOA慢速英语(十二)月

货币英语 18 Compound Interest

By Elizabeth Carlassare. Todays topic is compound interest. Albert Einstein is often quoted as having said something to the effect that compound interest is the greatest wonder of the universe. Its an urban legend, but it packs some punch! In todays

发表于:2019-01-30 / 阅读(109) / 评论(0)

货币英语

Osama bin Laden's compound in Pakistan being demolished

ISLAMABAD, Feb. 25 (Xinhua) -- The living compound of the former al-Qaida chief Osama bin Laden in Pakistan's northwest city of Abbottabad is being demolished, said one local media report. Local Urdu TV channel Express said that the front part of bin

发表于:2019-02-18 / 阅读(58) / 评论(0)

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学英语单词

4-Bromoiodobenzene

accession/report number

attenuation measuring device

bangiaceaes

base displacement address

bat mitzvahed

Borthwickia