单词	P. T. O.
释义	P. T. O. [医] 牛结核菌素
随便看	Plumbago zeylanica plumbago zeylanica l. plumb aligner plumballophane Plumbamginaceae plumbane plumbary plumbate plumbatendons plumbates plumbator plumb bob plumb-bob plumb bob cord plumb bob float plumb bob holder plumb-bob line plumb bobs plumb-bob vertical plumb bob vertical plumb bond plumb book plumb bow plumb crazy plumb datum 开花不结果开花空道胜于草，结实何曾济得民开花账开荒南野际，守拙归园田开襟当轩坐，意泰神飘飘开襟方未已，分袂忽多违开言欺陆贾，出口胜隋何开诚布公，推心置腹开诚心，布公道开诸葛亮会由得由性由性儿由打由是由来由此由此及彼由此可见由此看来