ovulate

1. V-I When a woman or female animal ovulates, an egg is produced from one of her ovaries. 排卵

Some girls may first ovulate even before they menstruate. 有些女孩初次排卵可能甚至早于她们的月经。

2. ovulationN-UNCOUNT 排卵

By noticing these changes, the woman can tell when ovulation is about to occur. 通过观察这些变化，这名妇女能判断出何时排卵。