na. (下水道等的)防臭阀
[网络] 泄水阻汽器;疏水捕捉器

Lesson 3 Should the Brain Drain Be Stopped by Restrictions? Text Brain Drain It is said that Shanghai's musicians abroad could form a worldclass symphony orchestra. But the Shanghai Symphony Orchestra

发表于:2018-11-27 / 阅读(198) / 评论(0) 分类 高级口语教程

New York City-based Pfizer Incorporated, the world's largest pharmaceutical company, has stopped research on torcetrapib, a drug they hoped to sell to treat heart disease. The drug was supposed to raise levels of what is known as good cholesterol. T

发表于:2018-11-30 / 阅读(100) / 评论(0) 分类 初级商务英语听力2006

A mouse looked through a crack in the wall to see the farmer and his wife opening a package; what food might it contain? He was aghast to discover that it was a mouse trap! Retreating to the farmyard, the mouse proclaimed the warning, There is a mous

发表于:2018-12-07 / 阅读(347) / 评论(0) 分类 幸福是一种态度

人的脑子不仅是各种思想和情绪的源泉,而且还控制着人体各部门的功能。人脑是人身体上非常关键的组成部份。大概也正是因为这个原因,

发表于:2019-01-04 / 阅读(103) / 评论(0) 分类 美国习惯用语

我们前两次讲了几个带有up这个词的习惯用语。今天要讲的习惯用语却都有和up相对的词: down。 Down这个词最常用的解释是往下。 比方说在今天要学的第一个习惯用语里:go down the drain。 Drai

发表于:2019-01-14 / 阅读(97) / 评论(0) 分类 美国习惯用语

Beginners. We have a mouse in our garage. There might be more than one. The one I have seen is small, grey, and causes a lot of mess. As much as I love animals, I'm afraid we have to put down a mousetrap. My husband bought a box of traps a long time

发表于:2019-02-03 / 阅读(68) / 评论(0) 分类 英语博客 A cup of English