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
Excuse me? What did you say?
对不起，你说什么？
I'm going to lend her two cans.
我要借给她两罐。
Even when it was raining heavily, he refused to carry an umbrella.
即使大雨倾盆，他也总是拒绝带伞。