Genocline
遗传渐变群
🗣️ 情景例句
She has the ability to keep calm in an emergency.
她有处变不惊的本事。
Books,like friends,should be few and well chosen.
书籍如朋友，宜少宜精选。
Oh! Well, for that, you'd better find an English pen friend.
哦！那你最好为此找一个英文的笔友。