Coliforms
(coliform 的复数) n. 大肠菌\\na. 大肠菌状的
🗣️ 情景例句
Alexandra's a high-school exchange student from Greece.
Alexandra是从希腊来的交换高中生。
Who is this?I don't recognize your voice.
你是谁?我不认出你的声音。
Its wool, which had been dyed black, had been washed clean by the rain!
原来羊毛上染的黑色被雨水冲掉了！