单词：permeability for liquids
单词：permeability for liquids 相关文章
Passing Through Airport Security Roland: Why are you so nervous about flying? Natalie: Im not nervous about being in the air. Its going through security. I hear its a hassle and I dont want to end up being strip-searched. Roland: You wont be strip-se
2012年ESL之旅行交通购物
Passing Through Airport Security Roland: Why are you so nervous about flying? Natalie: Im not nervous about being in the air. Its going through security. I hear its a hassle and I dont want to end up being strip-searched. Roland: You wont be strip-se
2012年ESL之旅行交通购物
Lesson 91 Milk And Its Uses 第91课 牛奶及用途 Every child likes to drink new milk. 每个孩子都喜欢喝鲜牛奶。 How pleasant it smells and how sweet it tastes! 那香浓的味道, 甜美的滋味是多么诱人！ Do you not want to kn
英国学生科学读本
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
Scientific American(三)月
You can't take that on the plane. 你不能把那个带上飞机。 You look like Japanese. 你看起来像是日本人。 机场安检 A: Do you have any liquids, laptop computers or ipads in your bag? 你有任何液体、手提电脑、或者平板电
这句英语怎么说
A: How are you feeling today? B: I have a terrible cold! A: Where do you think you picked that up? B: A lot of people in my gym have it. Maybe I got it from the equipment. A: Have you taken anything for it? B: I think that I am just going to rest and
健康-Health
Why Do Zebras Have Stripes? For many animals, camouflage is an important part of survival. A leopards spotted coat and a polar bears white fur help them blend into their respective environments. But a zebras bold stripes cant help to disguise it in i
英语听力文摘 English Digest
Natalie: But I heard I couldnt bring any liquids with me. Roland: Youre only allowed three ounces of liquids, aerosols, or gels. Those should go inside a zip-top bag and be placed in a bin. Natalie: Do I have to take off my shoes and get one of those
地道美语播客
You probably know a lot of food words, such as bread, apple and rice. But knowing which foods are countable and which are not can be tricky. In todays Ask a Teacher, Abdo from Sudan writes: Question: How do I know which foods can be plural? For examp
2018年VOA慢速英语(九)月
RANDI KAYE, CNN CORRESPONDENT: We take our shoes off, remove our laptops, and toss our bottled water all in the name of safety. But are we any safer today than we were before 9/11? Not exactly, says Bruce Schneier, author and security technologist. B
CNN2010年(一)月
Gas 气体 There are three different kinds of matter. They are solids, liquids and gases. 物质分三种：固体、液体和气体。 Gas has no shape, so you can't touch gas. 气体本无形，所以你触摸不到。 Gas moves very freely. 气体能
与美国小学生一起学英文第5册
Lasers Used to Chill, Instead of Heat 有史以来第一次:科学家使用激光冷却液体 University of Washington researchers say they used a laser to turn hot water into cool water. Five engineers from the university are the first in the 50-yea
2015年VOA慢速英语(十二)月
A: You look a bit under the weather. B: I am not feeling all the great. I think I have that crud that is going around. A: I know that its going around the dorms. B: My boyfriend hasnt been feeling so well. Maybe he passed it on to me. A: I have some
英语情景对话-健康
By David Byrd Washington 10 August 2006 The terrorist plot to blow up aircraft flying between Britain and the United States is having repercussions in many airports around the world. Investigators have indicated the plot centered on a plan to use li
2006年VOA标准英语（八月）
The finger which is wet with alcohol will be dry before you can count ten, while the finger which is wet with water may take a minute or more to dry. 在你数到十之前, 那根沾有酒精的手指就会变得干燥, 而另外一根沾有水的手指
英国学生科学读本
Welcome to Lesson Eight. For this lesson,you'll need a pencil and a piece of paper. Mike has no idea what he should buy for little Peter Winn. He decides to call WEFL and ask for advice. First he talks to Maria.Listen. It's winter,Mike.Buy a baby hat
洪恩环境英语
December 29 12月29日 Read it! 读读看！ Oh, no! Everyone is getting sick. 糟糕！大家都生病了。 Taylor has a headache. 泰乐头痛， She is also starting to cough a lot. 也开始不断咳嗽。 Alex's stomach doesn't feel very good. 亚
大家说英语
Body scanners are viewed by many as an invasive technology, which amounts to a virtual strip search. They reveal graphic images of passengers' bodies, including medical details like evidence of mastectomy and colostomy bags. Britons call it a breach
VOA标准英语2010年(二月)
I wasn't aware of that policy 我不知道那项规定。 be aware of.. 意识到... He was not aware of the mistake he had made. 他没有意识到自己犯的错误。 policy 政策;策略 foreign policy 外交政策 The company has adopted a stric
跟艾米莉一起学口语
foundation 粉底 pressed powder 粉饼 loose powder 散粉 brow powder 眉粉 brow pencil 眉笔 brow brush 眉刷 liquid eye liner, eye liner 眼线液笔／眼线笔 eye shadow 眼影 mascara 睫毛膏 blush 腮红 lipstick 口红 SPF = Sun Protec
早安英文