81、on board 到船上, 在船上, 上火車或飛機(jī)
82、boast of (or about) 吹噓
83、out of breath 喘不過氣來
84、in brief(=in as few words as possible)簡言之
85、in bulk 成批地,不散裝的
86、take the floor 起立發(fā)言
87、on business 出差辦事
88、be busy with sth.于某事 . be busy doing sth. 忙于做某事
89、last but one 倒數(shù)第二
90、but for (=without) 要不是 表示假設(shè)