81. on board 到船上,在船上,上火車或飛機
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)