B 開頭單詞
by these presents 根據(jù)本文件
by then 到那時候
by themselves 獨力地
by their nature 就其本質(zhì)而言
by the yard 大量的 按碼
by the wind 順風（航行）
by the way of 通過……的方法 經(jīng)由
by the way 順便說說，順便問一下；在途中
by the waist [語言學]攔腰
by the use of 通過利用
by the time of 到……的時候
by the time 等到；到…的時候；在……以前
by the thousands 大批大批地
by the thousand 數(shù)以千計
by the strong hand adv. 強制地
by the standards of 按...的標準
by the square 恰好地，精確地