Biofilms
n. 生物膜（biofilm的复数）
🗣️ 情景例句
So just relax.
所以 ，放轻松点。
There's nothing interesting in the newspaper.
报纸上没有什么有趣的新闻。
Can you find her purse? If she's gone somewhere she will have taken it.
你能找到她的钱包吗？如果她去什么地方她会带着它的。