B 开头单词
by the book adv. 按常规；依照惯例
by the board 由董事会…；向船外
by the authority of 以…的权力；得到…许可
by the aid of 借助于；通过…的帮助
by the agency of 利用 借助于
by telephone 通过电话；用电话
by taxi 坐计程车
by surprise 出其不意地
by superb 出神入化
by subway 乘坐地铁
by subject 按主题
by stuart reid [电子、通信与自动控制技术]里德的启蒙
by steam 坐轮船
by stealth 偷偷地；暗中
by standard 按标准
by stages 分阶段地
by some means or other adv. 用某种办法
by some chance 由于某种原因；不知道为什么
by ship 坐轮船，乘船；航运