Preventive maintenance contract
[计] 预防性维护合同
🧩 词语组成解析
preventive
[pri'ventiv, pri:-]
n. 预防;防止;预防措施;预防药;
adj. 预防的;防止的;
🗣️ 情景例句
I am planning to write an editorial that I think will help you.
我计划写一篇社论， 我认为应该能帮助你们。
I went bowling last night.
我昨晚在打保龄球。
He was not a bit tired.
他一点也不累。