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
Here you are.
给你。
The cat and dog may kiss, yet are none the better.
猫犬可相吻，莫逆却难成。
There are some magazines on the television.
电视机上放着几本杂志。