BYMV菜豆黄花叶病毒
byprep.靠近;通过;被;经由;不迟于adv.经过;在旁边;靠近
bypath valve旁道阀
by piecemeal一件一件地, 逐渐地, 零碎地
by a miracle依靠奇迹,奇迹般地
by that timeadv.到那时
by file type按文件类型
by mischance不幸,偶然的不幸
by reason of由于
by the roots连根地,从根本上
by all means尽一切办法; 务必;一定
bydromphalus脐积水