Seeing the children playing ping - pong , he itched to have a go.他看到孩子们打 乒乓, 不觉技痒.He is a veteran in playing ping - pong.他是位乒乓老将.Football, swimming and ping - pong are popular sports.足球 、 游泳和乒乓球是大家喜爱的运动....
Endodeme is a deme composed of predominantly closely inbreeding but dioecious individuals.同系同群种是由近亲繁育占优势,但雌雄异株的个体组成的同群种.Ecodeme refers to a deme occuring within a specified kind of habitat.生态同群种是指出现于某种特殊生境内的同群种.Supreme p...
从开始孕育时,花芽便具有一层由苞片和鳞片构成的保护层.They have a protective cover of bracts and scales from time of intiation.果扁球形, 直径1.7厘米, 基部托以宿存苞片和萼片.Fruit oblate, 1.7 cm in diameter, base with persistent bracts and sepals.苞片和小苞片紫红色.粉红色或白色, 膜质...