重點講解:
1. at least (數量)至少,不少于;
例句:Aim to have at least half a pint of milk each day.
目標是每天至少喝半品脫的牛奶 。
2. tear off (胡亂地)脫掉,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 結果;后果;成果;效果;
例句:Her hair started falling out as a result of radiation treatment.
由于放療,她開始掉頭發 。
4. tend to do sth. 往往會;經常就;
例句:In older age groups women predominate because men tend to die younger.
在老年群體里女性占大多數,因為男性通常不易高壽 。
adj. 可用的,可得到的,有用的,有效的