今天我们要学的词是 overstate. Overstate 做为动词，有夸大的意思。Korean auto makers Hyundai and Kia will pay the U.S. government a $100 million penalty for overst

今天我们要学的词是 tariff. Tariff 关税。China and the United States reached an agreement to phase out tariffs on a wide range of technology products. 中国和美

今天我们要学的词是 in line with. In line with something 意思是符合，一致。联合国禁毒署负责人表示，Moves by some U.S. states to legalize marijuana are not in line w

今天我们要学的词是 unacceptable. Unacceptable 不能接受的。美国联邦调查局探员为追踪一名嫌疑人，2007年时曾伪装成美联社记者。The Associated Press slammed the tactic

今天我们要学的词是 relaxation. Relaxation 缓和，放松。The relaxation of China's one-child policy since last November hasn't produced the predicted baby boom. 中

今天我们要学的词是 galvanize. Galvanize 动词，有刺激的意思。美国总统奥巴马不久前说，The United States is the only country that can galvanize the world community to

今天我们要学的词是 defect. Defect 做为动词，有叛变，倒戈的意思。In the past four months, 10 percent of New York City's taxi drivers have defected to Uber, the app-

今天我们要学的词是 unilateral. Unilateral 形容词，意思是单方面的。House Speaker John Boehner warned President Obama against unilateral action on immigration refo

今天我们要学的词是 harbinger. Harbinger 名词，有先驱，前兆的意思。很多业内人士认为，Cloud computing is the harbinger of the next stage in the Internet revolution. 云

今天我们要学的词是 head off. Head off 有防止，避免的意思。The Food and Drug Administration announced a new proposal to try to head off shortages of crucial medic

今天我们要学的词是 cluster. Cluster 名词，是一群，一簇的意思。有报道说，A new technology cluster will be created to spread over five cities in the North of England.

今天我们要学的词是 high-profile. High-profile 两个中间用横杠相连，做形容词，意思是高调的，高知名度的。苹果公司首席执行官库克出柜。Mr. Cook has become the most high-

今天我们要学的词是 explode. Explode 动词，意思是爆炸。不久前，A British man was smoking an e-cigarette when it overheated and exploded, sending him to the hospital

今天我们要学的词是 exposure. Exposure 名词，意思是暴露。The Pentagon will offer examinations and long-term health monitoring to troops and veterans for exposure

今天我们要学的词是 faulty. Faulty 形容词，有缺损的意思。最新报道显示，More than 30 million cars nationwide are equipped with faulty airbags. 美国全国有三千多万辆汽

今天我们要学的词是 convert. Convert 做为名词，有皈依者的意思。加拿大首都渥太华上星期发生枪击事件。The attacker was a recent convert to Islam. 枪击事件的肇事者不

今天我们要学的词是 manual. Manual 做为名词，有手册，指南的意思。伊斯兰国激进分子依靠社交媒体扩大自身影响，不过，他们也担心社交媒体会给自己安全带来危害。金融时报说，An in

今天我们要学的词是 protocol. Protocol 名词，意思是规定，规范。国际医疗人道救援组织无国界医生说，Doctors Without Borders has put in place stringent protocols to prote

今天我们要学的词是 ransom. Ransom 名词，意思是赎金。美国财政部说，ISIS has made at least $20 million from ransom payments this year. 伊斯兰国今年光赎金收入就至少有

今天我们要学的词是 head off. Head off 有防止，避免的意思。The Food and Drug Administration announced a new proposal to try to head off shortages of crucial medic

今天我们要学的词是 open letter. Open letter 公开信。More than 120 Muslim scholars around the world released an open letter to the fighters and followers of the

今天我们要学的词是 skyscraper. Skyscraper 摩天大楼。泰国一家地产开发商准备在曼谷盖一栋摩天大楼。It will be the world's ninth tallest skyscraper when it is comp

今天我们要学的词是 handheld. Handheld 做形容词，意思是手持的。Some U.S. airports have begun using handheld, no-touch thermometers to conduct Ebola screenings. 一

今天我们要学的词是 drill. Drill 演习。Fire drill 火灾演练。Military drill 军事演习。Millions of people in California participated in an earthquake drill last w

今天我们要学的词是 reimburse. Reimburse 动词，有退钱，报销的意思。AT&T's wireless division will reimburse customers for unlawfully billing their accounts. 美国AT&T