第5组
attack／v. 攻击；袭击
【例句】They have attacked a number of people off the beaches of America.
它们袭击了美洲海岸的许多人。
The taxi driver was suddenly attacted from behind yesterday.
昨天那个出租车司机被人从后面突然袭击。
Africa／n. 非洲
South Africa南非
warn／v. 警告；提醒
【例句】She warned me about the dangerous road, so I crossed it carefully.
