Water soluble hydroxypropyl � � cyclodextrin was converted to acetonyl hydroxypropyl � � cyclodextrin via selective oxidation. 通过选择性氧化,将水溶性优良的羟丙基β环糊精转化为丙酮基羟丙基β环糊精.
She and her three brothers played charades.她和3个兄弟玩看手势猜字谜。A group of children were dressed to play charades.一群孩子穿着夜礼服在玩字迷游戏.I have never been at games like charades or improvisational acting.您从来都唔擅长玩“有口难言”或者“即席表演”之类既游戏.Fr...