B 開頭單詞

by compact [交通運輸工程]按照契約

by common consent adv. 大家都同意（公認）

by coincidence 碰巧

by classification 通過分類

by choice adv. 出于選擇

by cheque 用支票

by channel 通過通道 通過頻道 通過渠道

by chance upon waking

by chance 偶然；意外地

by category 按類別

by catches

by car 乘汽車

by cable 用電報發(fā)出；通過電報

by buyer 由買方

by bus 搭乘公共汽車

by boat 乘船

by blackmail and force 軟騙硬逼

by birth adv. 生來；在血統(tǒng)上

by bike 騎自行車；騎單車

by bicycle 騎腳踏車