这样的双核体显然不能独立于单倍体阶段而存在.Such a dikaryon cannot apparently exist independently of the haploid phase.胚囊,普通具有8个遗传上相同的单倍体核.Embryo has most commonly eitht genetically identical haploid nuclei.它是单细胞真菌,有单倍体和二倍体两种存在形态.The fungus i...
They were planning to evacuate the seventy American officials still in the country...他们正计划转移仍滞留在该国的70名美国官员。They agreed on how to evacuate the civilians from the island.他们就如何撤退岛上的居民取得了一致意见.It has forced politicians to thi...
He was caught out while lapping a slower rider.他在套圈超越一位落后的车手时出了错。As its rider tried to free it, the horse kicked out.骑手想松开那匹马时，它乱踢乱蹬。Both horse and rider were dripping with sweat within five minutes.没过五分钟，马和骑手都大汗淋漓。...