Aicf
abbr. auto-immune complement fixation 自动免疫补体结合
🗣️ 情景例句
Hello.
喂。
I worked as an intern in that firm last summer.
去年夏天我在那家商行实习。
but we found that it traced its way through the trees.
没想到它到树林中继续向前延伸。