Two historical questions — you can answer them how you like.两个历史问题——你可以随便回答。We shall first look briefly at the historical antecedents of this theory.我们首先应大致看一下该理论在历史上的前身。The reputation of the navigator is under assault f...
他谈话时，一架军用喷气式飞机在镇子上空呼啸而过。As he talked, an airforce jet screamed over the town.头顶上，直升机在呼啸，巨大的螺旋桨叶片搅动着空气。Overhead, the chopper roared and the big blades churned the air.气流一直从我们身边呼啸而过。The air was rushing past us all the time...
从分析子囊孢子的结果看出,此菌能同亲配合,但很易异型杂交.Ascospore analysis suggested that the fungus is homothallic but will preferentially outcross.另一方面, 子囊孢子是在有性生殖之后产生的.The ascospores, on the other hand, are produced by following sexual reproduc...