重点讲解:
1. at least (数量)至少,不少于;
例句:Aim to have at least half a pint of milk each day.
目标是每天至少喝半品脱的牛奶 。
2. tear off (胡乱地)脱掉,扯下(衣服);
例句:Fuentes tore off his hat and flung it to the ground.
富恩特斯一把扯下帽子,扔在地上 。
3. as a result of 结果;后果;成果;效果;
例句:Her hair started falling out as a result of radiation treatment.
由于放疗,她开始掉头发 。
4. tend to do sth. 往往会;经常就;
例句:In older age groups women predominate because men tend to die younger.
在老年群体里女性占大多数,因为男性通常不易高寿 。
adj. 可用的,可得到的,有用的,有效的