Speciation
n. 物种形成
🗣️ 情景例句
It was tough, but I made it. I'm a college graduate.
那虽然不简单， 但我成功了。 我现在是一名大学毕业生了。
I got a dozen eggs.
我拿了一打鸡蛋。
Thank you,Jim. Please sit down. Could you count them, please, Lucy?
谢谢你吉姆， 坐下吧！你能数数吗？鲁茜？