chalkyadj.白垩的;像白垩的
chalkn.粉笔;白垩v.用粉笔写;记录;使变白;归咎
chalk for billiard cue台球球竿用粉笔
Chalkbrood of honeybees蜜蜂白垩病
chalky enamel fluorosis氟斑釉症白垩型
Chalky grain percentage垩白粒率
chalking up one's handsn.[医]蜂窝织炎
Chalk rubs off easily.粉笔容易被擦掉。
Chalk it up to experience记住教训
Chalkopyxis tetrasporoidesn.瓶球藻
Chalk-browned Mockingbirdn.淡褐小嘲鸫
chalk disinfecting apparatus白垩消毒器械