adv.憑借
He devised a plan whereby he might escape. 他想出了一個(gè)可藉以逃脫的辦法。
There is no other way whereby we can cross the river. 我們沒(méi)有別的辦法過(guò)河。
Love is the chain whereby to bind a child to his parents. 愛(ài)是連結(jié)子女與父母的鏈子。