[军] 空降部队

Emerging Technologies

Emerging Technologies 2005 MIT Technology Review , Technology Review, Inc. Distributed by Tribune Media Services International Of the numerous technologies now in development, MIT Technology Review ha

发表于:2018-12-19 / 阅读(79) / 评论(0)

彭蒙惠英语

清洁空气4观叶植物

These hardworking houseplants can sweeten every breath you take . Put Your Plants to Work In the early 1980s, when NASA researchers were looking for ways to purify the air inside the space pods of the future , they didn ' t just look to engineer a pr

发表于:2019-01-08 / 阅读(67) / 评论(0)

英语小短文

美国国家公共电台 NPR 82nd Airborne Division Celebrates 100 Years

DAVID GREENE, HOST: The 82nd Airborne Division is turning 100 years old this week. Its soldiers gained fame in major battles of the World Wars, and they've become the nation's go-to troops for rapid deployment. Jay Price of member station WUNC travel

发表于:2019-01-16 / 阅读(30) / 评论(0)

2017年NPR美国国家公共电台8月

大气污染来自汽车尾气

According to the latest research, vehicles, coal-burning, airborne dust and industrial production account for 85 to 90-percent of the major airborne pollution sources in most Chinese cities. Vehicles are the biggest polluters in Beijing, Hangzhou, Gu

发表于:2019-02-03 / 阅读(43) / 评论(0)

英语新闻

A California company has unveiled a tiny flying drone

A California company that makes unmanned drone aircraft for the U.S. military has unveiled a tiny flying drone that looks like a hummingbird(蜂鸟). The airborne spy is part of a new kind of military technology that also has civilian uses. Several y

发表于:2019-02-08 / 阅读(59) / 评论(0)

英语新闻

与空气污染有关的托福词汇

雾霾 haze; 烟雾 smog; 空气污染指数 air pollution index; 橙色预警 orange alert; 悬浮颗粒物 airborne particulate matter; 可吸入颗粒物 inhalable particle; 有毒物质 toxic substance; 空气质量检测 air quality monitoring; 实

发表于:2019-02-26 / 阅读(69) / 评论(0)

雅思英语

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学英语单词

2-trifluoromethylbenzoyl chloride

5-N-ethyl-N-isopropylamiloride