B 开头单词

by guess and by golly 凭瞎猜

by guess 凭猜测，推测

by goods [航空、航天科学技术]用货车装运

by good luck 侥幸；侥幸地

by good fortune 幸好

by god 由神灵（歌名，By God） 由上帝

by giving all he can [新闻学与传播学]付出他的全部

by george 的确，确实

by freight （美）用普通铁路货车运送

by fractions [航空、航天科学技术]有余数地

by force 强迫地；靠武力；凭藉暴力

by folder [计算机科学技术]依资料夹

by fits and starts 一阵一阵地，间歇地

by fits 间歇地

by ferry 乘渡船 乘轮渡

by feat of 凭靠……的力，借助于……

by fax 通过传真发送……

by far 到目前为止；远，非常 （与比较级或最高级连用）

by fair means or foul 不择手段。

by extension 相关地；引申开来