Tetrasome
四小体
🗣️ 情景例句
I don't think he is cut out for the job.
我认为他不适合做那份工作。
We have some reports to show you for background information.
我们还有一些报告向你介绍背景资料。
That's a lot of money!
我可真是一大笔钱呢！