旋转真空蒸发器

机械类词汇大全-22

883 、疲劳 fatigue 884 、真空成形；真空吸塑 vacuumforming 885 、真空成形机 vacuumformer 886 、真空吸塑成形法 vacuummoulding 887 、真实形状 trueshape 888 、矩波形

发表于:2018-11-29 / 阅读(251) / 评论(0)

英文名句短语

大学英语四级词汇 082

useless 无用的，没有价值的 user 用户，使用者 usual 通常的，平常的 usually 通常 utility 效用，实用 utilise 实用 utilize 利用 utmost 极度的，极端的，极限 utter 完全的，彻底的说 vacant 空闲的，空缺的

发表于:2018-12-01 / 阅读(189) / 评论(0)

大学英语四级词汇拼读版

闭着眼睛飘单词四级词汇64

[0:0]urban城市的 [0:32.7921]urge urgent utility utilize鼓励，激励紧急的，急迫的功用，效用利用 [1:11.2978]utmost vacant vacuum vague极度的，最大的未被占用的，空着的真空含糊的，模糊的 [1:52.9962]vain valid vanish variable徒劳的，无效的有效的，

发表于:2018-12-05 / 阅读(209) / 评论(0)

闭着眼睛飘单词四级词汇

原版英语小短文 5. Vacuum the Carpet

She inspected the carpet for small items. She saw a paper clip and a rubber band. She picked them up. She put them into a little box on the kitchen counter. She plugged in the vacuum cleaner. She turned on the switch. The cat ran out of the room. She

发表于:2018-12-07 / 阅读(147) / 评论(0)

原版英语小短文

365个英语简短小故事-334. The Vacuum Cleaner Filter(1)

Oliver went to Target to buy a new vacuum cleaner. The vacuum cleaners at Target cost $60 to $500. The expensive ones were too bulky and, of course, too expensive. He bought the cheapest one in the store: a Dirt Devil Vibe. Its label claimed that it

发表于:2018-12-11 / 阅读(163) / 评论(0)

365个英语简短小故事

上海牛津初中英语七年级下--Module 4 The natural el

Module 4 The natural elements Unit 1 Electricity today [00:11.08]自然世界今日电的作用 [00:22.15]Read,learn and think [00:25.47]Electricity is very important to us. [00:27.73]电对我们相当重要。 [00:29.99]I'm going to show a video.

发表于:2018-12-17 / 阅读(343) / 评论(0)

上海牛津初中英语七年级

ESL露西的一天第104期:清洁与放松(2)

I am feeling pretty energetic when I finish my three cookies and decide to do a little cleaning. 吃完三块饼干后，我感到精力充沛，决定去打扫一下房间。 I take out a rag and start dusting the living room. 我拿出一块抹布，

发表于:2018-12-17 / 阅读(151) / 评论(0)

ESL露西的一天

SSS 2009-05-27

This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one

发表于:2018-12-24 / 阅读(156) / 评论(0)

Scientific American(五)月

快口说英语026

No. 26 Can you help me wash the car? 第二十六课你可以帮我洗车吗？ Practice Listen and Repeat A 1. I use the carwash at the gas station. 我在加油站洗车房洗车。 2. She sprayed me with the hose. 她用水管溅了我一身。 C

发表于:2018-12-25 / 阅读(131) / 评论(0)

快口说英语

ESL露西的一天第95期:清洁与放松(1)

发表于:2018-12-28 / 阅读(109) / 评论(0)

ESL露西的一天

SSS 2011-12-09

Cooking is one big science experiment. And chefs have been gaining fame for more explicit use of scientific techniques and tools in the kitchen. Now, according to an article in the December issue of Physics World, mixologiststhe folks behind the bara

发表于:2019-01-08 / 阅读(160) / 评论(0)

Scientific American(十二)月

VOA慢速英语 2008 0304b

SCIENCE IN THE NEWS - Fight to End Polio a Story of Unexpected Problems, but Also Progress Over the years, polio experts have had to learn to deal with surprises. Transcript of radio broadcast: 03 March 2008 VOICE ONE: This is SCIENCE IN THE NEWS in

发表于:2019-01-11 / 阅读(147) / 评论(0)

VOA慢速英语2008年（三）月

VOA慢速英语 2008 0107a

This is the VOA Special English Development Report. Sometimes it takes an engineer to help a village. In poor communities, that help may come from volunteers with a group called Engineers Without Borders. A civil engineering professor in the United

发表于:2019-01-11 / 阅读(118) / 评论(0)

VOA慢速英语2008年（一）月

英语播客EnglishPod 34

A: Honey, the house is such a mess! I need you to help me tidy up a bit. My boss and her husband are coming over for dinner and the house needs to be spotless! B: Im in the middle of something right now. Ill be there in a second. A: This cant wait! I

发表于:2019-01-22 / 阅读(135) / 评论(0)

英语播客-EnglishPod

【有声英语文学名著】不会发生在这里（10）

It Can't Happen Here by Sinclair Lewis Chapter 10 While I hate befogging my pages with scientific technicalities and even neologies, I feel constrained to say here that the most elementary perusal of the Economy of Abundance would convince any intell

发表于:2019-01-26 / 阅读(263) / 评论(0)

有声英语文学名著

英语词汇分类：石油化工

oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井，油井 derrick 井架 Christmas tree 采油树 cr

发表于:2019-02-03 / 阅读(171) / 评论(0)

英文语法词汇

宇航员为太空行走做准备

CAPE CANAVERAL Two American astronauts will venture outside the International Space Station Monday to stow a failed coolant pump and extend the outpost's Canadian railway. Wearing protective spacesuits in a deadly vacuum(真空) environment, Stephen

发表于:2019-02-05 / 阅读(193) / 评论(0)

英语新闻

Helping Others 美国方式：帮助他人

Christmas in America means different things to different people. To some people, Christmas means brightly wrapped packages under a decorated tree. To others, it means family reunions and a wonderful meal together. To Christians, it means Jesus' birth

发表于:2019-02-08 / 阅读(175) / 评论(0)

实用英语

TED演讲:我们不要一成不变的教育(3)

Now look, I'm a technology fan, but I have to admit to you all I'm a little old. 我是一个技术发烧友，但我得承认我年纪是大了点。 So I was a little slow, and I did not trust technology, and when they first came out with those new

发表于:2019-02-13 / 阅读(119) / 评论(0)

TED演讲国际问题篇

快口说英语009

9.有客来访Who's there? 是谁呀？ 1.Who's there? 谁在那里？ 2.Who is it? 你是谁？ 1.Unlock the door and let me in. 把门打开让我进去。 2.May Icome in? 我可以进来吗？ 1.Ring the doorbell.请按门铃。 2.Please use the d

发表于:2019-02-27 / 阅读(225) / 评论(0)

快口说英语

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学英语单词

admoveatur

alkon

altitude test chamber

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autoasphyxiation

automated bridge control