单词：watertightness
- impermeability不能渗透的性质或状态...
- airtightness气密(密封性)...
- waterproofness防水性
- protection保护
- impenetrability不能贯穿
- security安全
单词：watertightness 相关文章
to hold water water off a duck's back it makes my mouth water 这一课里我们再要讲两个和水，也就是和 water 这个字有关的词汇。第一个是 to hold water。 To hold water 按字面
美国习惯用语
Do you sometimes have a hard time understanding what Americans are talking about among themselves? Do you want to know why? The answer is, Americans are crazy about using slang. They tend to over do i
赖世雄中级美国英语
Bridge Over Troubled Water When you*re weary, feeling small, when tears are in your eyes, I will dry them all. I*m on your side, oh, when times get rough, and friends just can*t be found. Like a bridg
英文歌曲第一辑
in hot water to throw cold water on something 英语里有好些习惯用语都和
美国习惯用语
本单元是关于热水的对话 Boss: Look Tim, it looks like we're in a bit of hot water here. Tim: We? You mean you're in hot water. I haven't done anything. This is your problem: you've made your bed, and now you have to lie in it. Boss: Now that's not qu
公寓伙伴
Broadcast: May 12, 2003 By Jill Moss This is the VOA Special English Development Report. Each year, millions of people in Bangladesh drink ground water that has been polluted by naturally high levels
VOA2003（上）-社会广角
in hot water to throw cold water on something 英语里有好些习惯用语都和“水”，就是water这个字有关系。有的用：hot water；还有的用：cold water or deep water。在英语里
英文名句短语
Broadcast: May 5, 2003 By Jill Moss This is the VOA Special English Development Report. Each year more than two-million people die from diseases caused by drinking dirty water. That is the estimate of
VOA2003（上）-社会广角
Reading water meters in an unfamiliar part of town, I came upon a house with no number. Then I noticed an elderly man gardening at the first house on that block.
英汉幽默故事选读
At the U.S. Conference of Mayors meeting last month, the mayor of Albuquerque, N.M., asked a provocative question: How would his citizens feel if the city bought thousands of ordinary writing pens the kind that cost about $1 each in most stores and
VOA标准英语2008年（七月）
A man was sailing in a small boat，and dropped a precious pearl into the sea accidentally．When the man had returned to land，he took a pail，and began to scoop up the water and pour it on the shore．For three days he scooped and poured unwearie
趣味英语
BEIJING, Feb. 2 (Xinhuanet) -- The source of cadmium contamination in the Liujiang River had been blocked and tap water in Liuzhou is safe to drink, said environmental officials of the Guangxi Zhuang autonomous region on Wednesday. Tap water from Liu
英语新闻
What happens when we run out of water? Over the last century, H20 has become so convenient we take it for granted. That's about to change Water is both mythic and real. It manages to be at once part of the mystery of life and part of the routine of l
阅读空间
How to Drink More Water (and Why You Should) Water is the driving force of all nature - Leonardo da Vinci Do you want a really simple way to improve your health and productivity? Heres a free and easy way to stay healthy and get more done which doesn
阅读空间
LONDON, July 22 (Xinhua) -- The captain on the US water polo team, Anthony Azevedo believes that his side can go one better than the silver medal that they won in Beijing four years ago and win the gold medal in London. Beijing saw the US defeated by
英语新闻
You Dont Miss Your Water 歌手：Craig David 专辑：Slicker Than Your Average Craig David As I sail with you across the finest oceans On a way to find the key to our emotions Together we will move the clouds to brighter days Some people question w
好听的英文歌曲
Reading water meters in an unfamiliar part of town, I came upon a house with no number. Then I noticed an elderly man gardening at the first house on that block. Excuse me, I said to him. Are you Number One?He smiled and replied, My wife thinks so!No
趣味英语
Water对人的身体来说是非常重要的。在英语里，有一些和water有关的短语非常奇怪但又很形象。下面，就让我们就看看其中三个和water 有关的表达吧。 1. To hold water 站得住脚，说得通 按字面解释
英语口语