Treponema
n. [微]密螺旋体
🗣️ 情景例句
Oh, it's so pretty!
噢，它好漂亮！
It is a silly fish, that is caught twice with the same bait.
蠢人才吃两次亏。
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。