Intersterility
(之间)不育性(近亲群二个体之间不育)
🗣️ 情景例句
Let's drill them in English pronunciation.
我们来给他们做英语发音练习。
How far is it to the university?
它离大学多远？
What are you going to do this evening. Jill?
今晚你打算干什么，吉尔？