B 开头单词

by using 通过使用

by unread [计算机科学技术]依未读

by underground 乘地铁

by type 按类型；依类型

by twos and threes 三三两两地；零零星星地

by twos 每两人（一组）；两个地

by turns 轮流；交替

by tube 乘地铁

by truck 卡车装运；乘卡车

by trial and error 反复试验，不断摸索

by train 乘火车

by tradition 照传统；根据口传

by tomorrow

by this weekend 到本周为止

by this way 通过这种方式

by this token 由此看来

by this point 在这一点上

by this means 用这种方法；通过这种方式

by this mean 通过这个平均值

by this design [机械工程]按照这种设计