Nitrocystis
硝化囊菌属
🗣️ 情景例句
You should take the number 1 subway.
应当搭一路地铁。
You can never tell about this sort of thing.
这种事谁也说不准。
They had just had enough time to swim out of danger when the boat again completed a circle.
他们刚刚来得及游出危险区，快艇就又转完了一圈。