busy的副词形式是 busily 忙碌地，起劲地; busy adj. 忙碌的；热闹的；正被占用的 vt. 使忙于 She was always too busy to listen. 她总是很忙，无暇听我说...
鳄鱼的单词 n. crocodile ; cayman adj. alligator ; crocodilian 例句 有条鳄鱼就潜伏在水面下。 A crocodile was lurking just below the surface. 那是...
