学个词 Learn a Word-VOA英语教学 1980 roil

今天我们要学的词是 roil¹. Roil,动词，意思是引发震动，使动荡。 源自日本的比特币最大交易平台Mt.Gox倒闭， The news has roiled² the market for the virtual currency. 这一消息震惊了比特币市场。The Sudden depreciation³ of the Chinese Yuan has roiled the price of copper⁴ in global markets. 人民币突然贬值引发了国际市场铜价的震动。 Protest-related violence has roiled Thailand over the past three months. 过去三个月里，同抗议活动有关的暴力事件使泰国陷入动荡。 好的，今天我们学习的词是 roil, roil, roil…

1 roil   

v.搅浑，激怒

参考例句：

• Times of national turmoil generally roil a country's financial markets.在国家动荡不安的时代，该国的金融市场一般都会出现混乱。
• Some of her habits are off-putting but don't let them roil you.她的一些习惯让人恶心，但最好别烦你。

2 roiled   

v.搅混（液体）( roil的过去式和过去分词 )；使烦恼；使不安；使生气

参考例句：

• American society is being roiled by the controversy over homosexual marriage. 当今美国社会正被有关同性恋婚姻的争论搞得不得安宁。 来自互联网
• In the past few months, instability has roiled Tibet and Tibetan-inhabited areas. 在过去的几个月里，西藏和藏人居住区不稳定。 来自互联网

3 depreciation   

n.价值低落，贬值，蔑视，贬低

参考例句：

• She can't bear the depreciation of the enemy.她受不了敌人的蹂躏。
• They wrote off 500 for depreciation of machinery.他们注销了500镑作为机器折旧费。

4 copper   

n.铜；铜币；铜器；adj.铜(制)的；(紫)铜色的

参考例句：

• The students are asked to prove the purity of copper.要求学生们检验铜的纯度。
• Copper is a good medium for the conduction of heat and electricity.铜是热和电的良导体。