protyn.原质pron.能手；行家；正面adj.专业的；赞成的adv.正面地prep.赞成protential altitude位能标高prothecate bacteria柄细菌protruding terminus突出端protospermatiophore原精子托protrusion of joint关节突出Pro - West policy“亲西方”政策Protominobacterieae原胺菌科pro-poor policies向穷人倾斜的政策prolase of vitreous神膏绽出Protoeumalacostraca原真软甲类