Bcf
[医][=bacterial chemotactic factor]细菌趋化性因子
🗣️ 情景例句
Three scoops of chocolate ice cream for Tim coming up.
给Tim的三勺巧克力冰淇淋马上送来。
If you can be well without health you may be happy without virtue.
如果不健康而能强强壮壮，那么无美德也可快快乐乐。
Hmm! I think I can mend it. But I want a knife. Do you have a knife?
我想我可以，但需要一个小刀，你有吗？