first meiotic division的用法和樣例：
例句
- Since crossing over can occur during the first meiotic division, it does allow for some genetic variation in the offspring.
在第一次減數分裂的過(guò)程中可以發(fā)生交換現象，因而在后代中有遺傳變化。 - It followed a normal course up to first meiotic metaphase when it inexplicably failed.
它按正常減數分裂過(guò)程進(jìn)行到第一次減數分裂中期后就莫名其妙地停止了。
