Nitrococcus
亚硝化菌
🗣️ 情景例句
When you're ready to get off, remember to press the button near your seat.
当你要下车时，记得按你座位旁的按钮。
They intend to stop all traffic through the ports.
他们预定关闭港口的全部交通。
'Do you always catch such an early train?' asked the inspector.
“您总是赶这样早的火车？”探长问。