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...
Continued deposition of silt along the coast is crucial in counteracting the rise in sea level...海岸边泥沙的不断沉积对于抑制海平面的上升起着至关重要的作用。But he notes that there are counteracting forces as well.但是他也指出还有一些抵消因素.Sound - cancelling wo...
我记不得是过了4天还是5天才眺见这位隐士的小小王国.I forget if it was four or five days before we sighted the hermit's little kingdom.他现在70岁了, 可以作为爷爷级的人物,还有点隐士的脾性.He's now 70 years old, considered a grandfatherly and is somewhat reclus...
We were amazed, shocked, dumbfounded, shaking our heads in disbelief.我们震惊、愕然、目瞪口呆，难以置信地摇着头。I stood there dumbfounded.我站在那儿目瞪口呆。She was dumbfounded by the terrible news.她被这可怕的消息惊呆了。This suggestion dumbfounded Joe.这项建议使乔目瞪...