Treponema
n. [微]密螺旋体
🗣️ 情景例句
I'll have to go home.
我必须回家一趟。
A friend to everybody is a friend to nobody.
广交友，无深交。
No. Two visitors have just arrived and I want to give them something nice to eat.
不是。我家刚来了两位客人，我想煮些好吃的招待他们。