学个词 Learn a Word-VOA英语教学 2229-introduce

今天我们要学的词是 introduce. Introduce 做为动词，有推出的意思。Smartphone theft has plummeted¹ dramatically ever since manufacturers introduced the "kill switch," allowing users to power down their phones remotely. 厂家推出可以远程锁死智能手机的自毁功能以来，智能手机失窃数量明显减少。A bipartisan group of senators introduced a bill last week to lift the decades-old trade embargo² against Cuba. 美国参议院一些民主党和共和党议员跨党派联合提出议案，要求解除对古巴实行了几十年的贸易禁令。好的，今天我们学习的词是 introduce, introduce, introduce...

1 plummeted   

v.垂直落下，骤然跌落( plummet的过去式和过去分词 )

参考例句：

• Share prices plummeted to an all-time low. 股票价格暴跌到历史最低点。
• A plane plummeted to earth. 一架飞机一头栽向地面。 来自《简明英汉词典》

2 embargo   

n.禁运（令）；vt.对...实行禁运，禁止（通商）

参考例句：

• This country put an oil embargo on an enemy country.该国对敌国实行石油禁运。
• During the war,they laid an embargo on commerce with enemy countries.在战争期间，他们禁止与敌国通商。