Contingency operation
[计] 应急行动
🧩 词语组成解析
🗣️ 情景例句
She'll call.
她会打的。
It's the year of 1999.
今年是1999年。
becomes so worn and unreliable that it eventually is not worth mending.
磨损太厉害，老得一点儿也不准了，最终会不值得修理了。