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
(looking at his calendar) Oh, next Friday is May 4th.
（正在看着日历）哦，下周五是五月四号了。
If he had only had enough money,he would have bought that house.
如果他仅仅有了足够的钱，他就会买那房子。
Last Tuesday he received a letter from the local police.
上星期二他收到当地警察局的一封信，