The polar and egg nuclei of the female gametophyte are genetically identical.雌配子体中的极核和卵核遗传上是同一的.Protonema ( pl . protonemata ) The young bryophyte gametophyte that develops following spore germination.苔藓植物中直接由孢子萌发形成的结构称为...
I have to get up and turn off the radio.我必须起床关上收音机。The boy had the presence of mind to turn off the gas.那男孩子镇定地关掉了煤气。We missed the turn-off for the airport.我们错过了通往机场的岔道。...
Cutthroat competition in office is shown in this TV play.这部电视剧反映了职场的激烈竞争.You have to face cutthroat competition after graduation.毕业后,你得面对残酷的竞争.Retail sales is a cutthroat business.搞零售是件艰苦得要命的事业....