B 開頭單詞

by using 通過使用

by unread [計(jì)算機(jī)科學(xué)技術(shù)]依未讀

by underground 乘地鐵

by type 按類型；依類型

by twos and threes 三三兩兩地；零零星星地

by twos 每兩人（一組）；兩個(gè)地

by turns 輪流；交替

by tube 乘地鐵

by truck 卡車裝運(yùn)；乘卡車

by trial and error 反復(fù)試驗(yàn)，不斷摸索

by train 乘火車

by tradition 照傳統(tǒng)；根據(jù)口傳

by tomorrow

by this weekend 到本周為止

by this way 通過這種方式

by this token 由此看來

by this point 在這一點(diǎn)上

by this means 用這種方法；通過這種方式

by this mean 通過這個(gè)平均值

by this design [機(jī)械工程]按照這種設(shè)計(jì)