Nitrocystis
硝化囊菌属
🗣️ 情景例句
always makes one a little nervous.
总是让人有些紧张。
My brother wants to learn how to swim.
我的兄弟要去学游泳。
Dan Robinson has been worried all week.
丹。鲁宾逊焦虑了整整一个星期。