oestrus造句

例句与造句

1. Preliminary experiment of oestrus synchronization and frozen embryo transfer in sheep
   绵羊同期发情及冻胚移植效果观察
2. When gilts or sows enter oestrus in their reproductive cycles ( about 21 days long ) they are ready to be bred
   小母猪和大母猪的发情期大概是21天，这是她们的生理循环周期。
3. It's difficult to find oestrus in a sentence. 用oestrus造句挺难的