单词：leakage current operated protective device
单词：leakage current operated protective device 相关文章
Lesson 9 Dialog1: fill an order(完成定单) F: So Dement, Style plus has a well-defined(明确) market niche. M: Yes,and their market is growing. F:and you said they can not keep up with the demand. M: Thats right, they are getting more orders than they
VOA 商务英语
Could an Electric Current Stop Motion Sickness? 晕车能够提前预防,你相信吗？ Some people can get motion sickness from being in moving vehicles such as cars or airplanes. 有些人在快速移动的交通工具上会晕车，例如乘坐汽车
2015年VOA慢速英语(十二)月
Do you like working up a sweat? Or do you feel like maybe sweat should work for you? Well, hold on to your sudoriferous glands. Because researchers have designed a device that could someday produce power from your perspiration. The schvitzy scheme wa
2014年Scientific American(八)月
unit 573 探望朋友 dialogue 英语情景对话 A:I am sorry to hear that you are not feeling well. How are you? A:听说你病了，我很担心。你怎么样了？ B:Thank you. I was operated on for gastric ulcer. B:谢谢。我患胃溃疡动了手
高频英语口语对话
[00:05.20]Nikola Tesla developed the alternating current power system that provides electricity in the United States. [00:14.42]Many of his other discoveries led to electronic inventions for which other scientists were honored. [00:22.75]Mister Tesla
美国英语听力80篇
Section C Great Ideas Some of the most important inventions of the past 2,000 years may surprise you. Want to get rich? Become famous? You don't have to be a film star or a basketball player or a musi
新视野大学英语读写教程(1)
妈妈出差期间爸爸和丹尼尔的衣服只能自己洗，但偏偏在这个时候洗衣机坏了。幸好楼下有投币洗衣机，但好事多磨，他们又碰到什么问题了呢？ Listen Read Learn Daniel: Dad, something wrong with our w
英语大赢家下册
If you have two hands, you cant help but applaud the original Clapper. First sold in 1985, it worked with a lamp or any other electric device. You plugged the Clapper into an outlet. Then you plugged your lamp into the Clapper. By clapping twice, you
365个英语简短小故事
EXPLORATIONS -April 3, 2002: Spacesuit History By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell a
Explorations
Unit 61 Renting an apartment(2) 第61课 租公寓(2) An apartment manager is showing an apartment to a potential renter. 公寓经理正向一位准备承租的人介绍公寓。 M: The mailboxes are right down there, and the laundry room with coin-
购物英语口语一本通
They published the data, 他们发布了这些数据， and it actually transformed clinical practice in the country. 而这一举动改变了整个国家的临床实践。 Everybody saw this makes a lot of sense. 大家都发现这样做很有意义。
TED演讲娱乐篇
导购口语: What kink of toy would you like? 您喜欢那种玩具？ How about the plastic panda? A toy panda is the best present. 这塑料熊猫怎么样？玩具熊猫是最好的礼物了。 How about some dolls? Girls of that age are especial
最In导购口语
It was three o'clock. She was learning how to roller-skate. She had always wanted to learn. She could not afford to buy roller-skates before. Now, she was older. She had a job. She bought her first pair of roller-skates yesterday. It is never too lat
英语第3级听力-English Level 3
Tekapo is a special place. This small town has a big observatory at Mount John, 1000m above the town. It has six telescopes including New Zealands biggest telescope with a diameter of 1.8m, built with Japanese money. The observatory is operated by th
新西兰英语
LONDON, June 16 (Xinhua) -- Drillings and fillings at the dentist's are always dreadful and make tooth decay treatment very unpleasant. But British scientists have developed a new approach of fixing tooth decay, which could get rid of all the drillin
英语新闻
JAKARTA, Aug. 16 (Xinhua) -- Indonesian transport ministry said on Sunday that local resident have reported that they have seen the missing plane hit a mountain. According to the (local) community, the plane hit Mount Tangok in Pengunungan Bintang di
英语新闻
tangle n.混乱状态 v.处于混乱状态 temperament n.气质, 性情, 易激动, 急躁 texture n.(织品的)质地, (木材, 岩石等的)纹理, (皮肤)肌理, (文艺作品)结构 thigh n.大腿
考研英语
When Feeding Birds, Think Safety and Health Feeding birds is a popular way to watch wildlife during the winter months. But many bird experts say the experience is often more pleasant for people than for birds. And it might even put wild birds at risk
2019年VOA慢速英语(二)月
Phil:So it's natural for Claire to wonder about you and her dad. This family is very protective of each other. I remember the first time Claire brought me home. Do you think Jay thought I was good enough for his little girl? No way. But, over time,
跟着美剧练发音