Treponema

n. [微]密螺旋体

🗣️ 情景例句

That took place right after the First World War, didn't it?
它就发生在第一次世界大战之后,是吗?
Why?
为什么?
Whether a planet can support life depends on the size and brightness of its star, that is its 'sun'.
一颗行星是否能够维持生命取决于它的恒星——即它的“太阳”——的大小和亮度。
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