密封缩颈;密封压缩

英语音频杂志：哮喘

Asthma by John Russell With World Health day on 7th April, this week we take a closer look at a very common health problem. Does your chest regularly feel tight? Do you find it difficult to breathe after light exercise? Do you sometimes make a wheezi

发表于:2019-01-02 / 阅读(362) / 评论(0)

英语音频杂志

专业术语—口腔生理学术语V(英文详解)

Vaccine - a planned exposure to an antigen in order that memory B lymphocytes can retain a memory for it. In practice the organism carrying the antigen is either killed or modified so that it does not

发表于:2019-01-03 / 阅读(389) / 评论(0)

医务英语

美国国家公共电台 NPR Lyme Disease Is On The Rise Again. Here's How To Prevent It

RACHEL MARTIN, HOST: It is tick season, and with it comes the risk of Lyme disease. Once found mainly in New England, Lyme disease is now being reported in a much wider range of the U.S. NPR's Allison Aubrey reports that cases have more than doubled

发表于:2019-01-16 / 阅读(230) / 评论(0)

2018年NPR美国国家公共电台5月

【跟着英剧练发音】A Histry Of Britain - 5

文本： So Skara Brae was not just an isolatedsettlement of fishers and farmers. Its people must have belonged to some largersociety, one sophisticated enough to mobilise the army of toilers and craftsmenneeded, not just to make these monuments, bu

发表于:2019-01-21 / 阅读(178) / 评论(0)

跟着英剧练发音

美联社新闻一分钟 AP 2012-09-15

1. Libya officials say the US ambassador Chris Stevens has been killed along with three other Americans in an attack on the US consulate in Benghazi. The consulate was burned down by Muslim protesters' angry about a film that ridicules the Prophet Mu

发表于:2019-02-11 / 阅读(260) / 评论(0)

美联社新闻一分钟2012(九月)

【英语时差8，16】尾巴吱吱叫

Don: [WHISTLING A BIRDSONG-LIKE TUNE] Ya?l: Nice tune Don, but can you whistle with your tail like an Anna's hummingbird? D: Hummingbirds can whistle with their tails? Y: Male Anna's hummingbirds, which live along the west coast of North America, can

发表于:2019-03-06 / 阅读(225) / 评论(0)

英语时差8，16

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学英语单词

Acrylub

activation temperature

atmospheric arc rectifier

axis of plant site

back-head