Tetramerism
四数性
🔁 扩展释义
【医】 四部组成, 四节构造
🗣️ 情景例句
I guess I didn't have one, fortunately.
但我想我并没有，因为我的幸运的。
What is happening out there?
外面发生什么事情？
She has been collecting stamps.
她一直收集邮票。