等波纹阻带滤波器

365个英语简短小故事-335. The Vacuum Cleaner Filter(2)

But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi

发表于:2018-12-11 / 阅读(71) / 评论(0)

365个英语简短小故事

Indian Scientists Invent Nose Filter to Protect Against Air Pollution

From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a

发表于:2019-01-03 / 阅读(65) / 评论(0)

2018年VOA慢速英语(一)月

电信类英语词汇表大全-26

中文英文缩写搭接业务/代答业务/截接业务（PBX） pick-up service 达林顿放大器 Darlington amplifier 打包带 strap 大功率/高功率的 high power 大规模集成电路 Lar

发表于:2019-01-03 / 阅读(61) / 评论(0)

电信英语

2007年VOA标准英语-Water Filter Wins Developer Engineering Prize

By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica

发表于:2019-02-03 / 阅读(92) / 评论(0)

2007年VOA标准英语（五月）

《荒野求生》之跟着贝尔去冒险第479期:沙尘暴中逃生

Remember, three clear, repeated signals from me,That means stop it. 记住如果我发出三次重复的信号那就意味着停止 That means I'm getting killed in there.All right, give me five. 那就意味着我快死了好吧加油 I'm gonna

发表于:2019-02-17 / 阅读(44) / 评论(0)

荒野求生

【英语趣味课堂】迷路-Lost

Todd: Now Norman, you've lived in Japan for awhile. Have you lived in any other countries? Norman: Yes, I've lived in Germany as well. Todd: Germany! Norman: Yes, I lived for five years. I had two contracts in Germany. The first one in the seventies,

发表于:2019-02-24 / 阅读(40) / 评论(0)

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alnus fruticosa rupt.