Perfective maintenance
[计] 完善性维护
🧩 词语组成解析
a. 完成的, 完成时的\\nn. 完成时
🗣️ 情景例句
Bye-bye.
再见。
Hunger finds no fault with the cookery.
饥不择食。
Everybody will be watching anxiously as the new buildings go up.
大家都将急切地注视着新建筑的建成。