Treponema pallidum
[医] 苍白密螺旋体, 梅毒螺旋体
🧩 词语组成解析
n. [微]密螺旋体
[医] 苍白球
🗣️ 情景例句
I'll set up an appointment with the marketing people.
我会与行销部的人安排一次会谈。
It's a beautiful country with many large rivers.
这个国家很美，它有很多大河。
The eggs are sold by the dozen.
鸡蛋按打卖。