氧化锌（一种白色颜料）
(flowers of zinc 的复数)

美国国防部长敦促加强与巴西在太空研究方面的联系

US Defense Chief Urges Closer Ties with Brazil in Space Research United States Defense Secretary Jim Mattis spoke in Brazil Tuesday calling for closer ties with the country in defense issues and in space. Mattis urged military students in Rio de Jane

发表于:2019-01-03 / 阅读(34) / 评论(0)

2018年VOA慢速英语(八)月

16 confirmed dead, 24 missing in SW China mudslide

CHENGDU, July 11 (Xinhua) -- Sixteen bodies have been recovered following a rain-triggered mudslide that occurred in southwest China's Sichuan province on June 28, an official from the local rescue command center said Wednesday. As of 6 p.m. Tuesday,

发表于:2019-01-16 / 阅读(128) / 评论(0)

英语新闻

英语听力：2013-10-16 地平线：黑洞吞噬—12

If there's a black hole at the center of our galaxy, that's gonna force these objects that are really close to the black hole to move much faster than they would move if there were no black holes. So the first thing you wanted to see is there are ver

发表于:2019-01-23 / 阅读(22) / 评论(0)

探索与发现2013年

2006年VOA标准英语-Guantanamo Detainees Stage Riot, Suicide A

By Al Pessin Washington 19 May 2006 U.S. military guards at the Guantanamo detention center fired rubber shotgun pellets and used batons and shields to put down a small but violent riot by detainees T

发表于:2019-01-31 / 阅读(85) / 评论(0)

2006年VOA标准英语（五月）

【英语时差8,16】向心力与头晕-下

A force is required for an object to move in a circle, as is the case with a merry-go-round. This force is called a centripetal force. Generally speaking, the larger the circle you move in, the greater the centripetal force you experience.So, the far

发表于:2019-02-15 / 阅读(27) / 评论(0)

英语时差8，16

学个词Learn a Word 第1696-expansion

今天我们要学的词是expansion。Expansion 扩展，扩充。The Kennedy Arts Center unveiled a $100 million expansion plan. 肯尼迪艺术中心宣布扩展计划，耗资一亿美元。President Obama supported the expansion of H1B visas fro

发表于:2019-02-18 / 阅读(50) / 评论(0)

英语单词荟萃

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学英语单词

777s

a mere name

aeronautical meteorological observation

affinity coefficient

alpha-particle spectrum

alter for the better

american revised versions