Coliform
n. 大肠菌\\na. 大肠菌状的
🗣️ 情景例句
I generally go to bed at ten.
我通常十点钟睡觉。
Do you often work for Mr.stone during the holidays?
你常常在假日期间为斯通先生工作吗？
It did not take the firefighters long to put out the fire, and they at once started to look for causes of the fire.
消防队员没花多时间就把大火扑灭了，他们马上开始调查火灾发生的原因。