Afsc
abbr. 空军系统司令部（Air Force Systems Command）
🗣️ 情景例句
To enjoy the simple things in life ...
享受人生乐趣……
The worker is pounding steel pipes to mend the leakage of water.
管道工为了修缮漏水而敲打着下水道的铁管。
We succeeded in lighting the fire.
我们成功地点着火。