Aicf
abbr. auto-immune complement fixation 自动免疫补体结合
🗣️ 情景例句
Please, sit down. What can I do for you?
请坐下。我能为你们做什么呢？
No, I only wrote her one letter this year.
是的，今年我才给她写过一封信。
The journey is so smooth that there is nothing to prevent you from reading or sleeping.
旅途平稳，丝毫不妨碍你阅读或睡眠。