Biofilms
n. 生物膜（biofilm的复数）
🗣️ 情景例句
Sir, Mr. Bennings is here to see you.
先生，本宁先生来这儿见你。
You ought to have that coat cleaned and pressed.
你应该把那件大衣清洗并且压一下。
First of all, I will outline the characteristics of our product.
首先我将简略说明我们商品的特性。