News Plus慢速英语:印度将宣布消除小儿麻痹症 老虎感染致命病毒

重点讲解：
1. be free of
无…的；摆脱了…的；
eg. She retains her slim figure and is free of wrinkles.
她保持着苗条的身材，脸上也没有皱纹。
eg. The brass surface must be free of contamination.
黄铜表面必须未经沾污。
2. be involved in
卷入的；参与的；与…有密切关联的；
eg. If she were involved in business, she would make a strong chief executive.
如果她投身商业的话，她会是一个很有能力的总裁。
eg. She became involved with political causes after the Chernobyl nuclear disaster.
在切尔诺贝利核泄漏灾难发生以后，她开始投身政界。
3. scramble to do sth.
仓促行动；慌忙前往；
eg. The others may have to scramble to make much headway.
其他人可能需要互相竞争以期取得更大的进展。
eg. The players scrambled to get the ball.
球员争着去抢球。
4. be associated with
（与…）相关的；相联系的；
eg. Obesity is also associated with asthma.
肥胖症也易导致哮喘的发生。
eg. Conceit is associated with stupidity and ignorance.
骄傲的朋友是愚蠢和无知。
5. wipe out
摧毁；毁灭；使灭绝；
eg. The spill could wipe out the Gulf's turtle population.
这次原油泄漏可能会使波斯湾的海龟灭绝。
eg. The plague once could wipe out a village.
鼠疫曾一度可以夺走整个村庄村民的生命。
6. in place
（法律、政策、行政体系等）正在运作，就位；
eg. A strong community cannot be built until the basics are in place.
只有基本原则确立了才能建立起一个强大的团体。
eg. We already have our core team in place.
我们的骨干团队已经就位了。