(n.) A cruciferous plant (Brassica sinapistrum) with yellow
flowers; wild mustard. It is troublesome in grain fields. Called also
chardock, chardlock, chedlock, and kedlock.
手打:内蒂
双语例句
One species of charlock has been known to supplant another species; and so in other cases. 查尔斯·达尔文.物种起源.