Bcf
[医][=bacterial chemotactic factor]细菌趋化性因子
🗣️ 情景例句
This must be a proud day for you.
今天是你值得骄傲的一天。
A smart coat is a good letter of introduction.
人要衣装，佛要金装。
The mower firmly refused to mow, so I decided to dismantle it.
修完后割草机还是纹丝不动。于是，我决定把它拆开。