Flexibacteria
[微]屈挠细菌
🗣️ 情景例句
when I was about eighteen years old.
那时我差不多十八岁。
What is the hottest area in this country?
这个国家最热的区域是哪里？
A long time ago, one of his ancestors who lived in Africa went into the forest to cut down a tree to make a drum.
很久以前，他那生活在非洲的祖先中有一人走进森林去砍树来做鼓。