Aicf
abbr. auto-immune complement fixation 自动免疫补体结合
🗣️ 情景例句
Richard, did you go to the aerobics class, really? Richard
你真的上了有氧运动课吗？
It is convenient to know the language.
掌握这门语言会带来方便。
Which seasons do you like best?
你最喜欢哪些季节？