B 开头单词
by order of 奉…之命
by order 奉命；按訂單
by oneself 獨自地，單獨
by ones and twos 零零落落地；三三兩兩地
by now 到目前爲止；到如今
by noon 到中午爲止
by no means easy 決不容易 絕非易事
by no means 決不
by no manner of means 一點都不 絕不
by no accident 決非偶然
by nightfall 夜幕降臨前
by night adv. 在夜裡
by nickname [計算機科學技術]按昵稱
by next month 下個月之前
by next monday 到下周一
by next mail [經濟學]下次郵寄
by necessity 不得已；必然地，不可避免地
by nature 天生地；生性