Satter's sign
[医] 萨特勒氏征(见于阑尾炎)
🧩 词语组成解析
🗣️ 情景例句
One is as old as one's heart.
心多老人多老。
It's a beautiful country with forests, mountains and deserts.
这个国家很美，它有很多森林、山和沙漠。
I don't know. I haven't made up my mind yet.
不知道。我还没下定决心呢。