What was that marvellous quote that she came out with?她引用的那句妙语是什么来着？We've only had an "average", quote, unquote, kind of recession.我们只有过一次被称作“一般性的”经济衰退。Joe was always good for a colorful quote.乔总能绘声绘色地旁征博引。...
The male gamete could not unite with the female.雄配子不能与雌配子结合.Gametes may develop without fertilization, or meiosis may substantially precede gamete formation.配子不经过受精也可能发育,若减数分裂先于配子形成,配子也可能发育.Objective : To investigate the...