Preventine maintenance
[电] 预防的维持
🧩 词语组成解析
🗣️ 情景例句
I need to make an appointment with you tonight.
我想今晚约你。
Some students quit school due to poverty.
一些学生因贫困而辍学。
There was some confusion about our last shipment.
上一批货把我们搞得迷迷糊糊。