Bcf
[医][=bacterial chemotactic factor]细菌趋化性因子
🗣️ 情景例句
I've been invited to give a talk at the conference.
我已受邀在大会上发言。
One must howl with the wolves.
入乡随俗。
'You needn't have said that,' my wife answered.
“你没必要这么说，”我妻子回答说，