Non-scheduled maintenance
[化] 非正规维修; 不定期维修; 计划外维修
🧩 词语组成解析
non
[[nɔn]]
adv. 非, 不
scheduled
['sʃedju:əld, -dʒu:-, 'skedʒu:əld, -dʒuə-]
adj. 规定价格的;预定的;排定的;严格按时间表生活的;
vt. 将…列入计划（或时间）表;
🗣️ 情景例句
I'm sorry I'm so late.
对不起 我迟到了这么久。
Do you know any of those people?
你认识那些人吗？
when she remembered that she had gone shopping after the home help had left and she knew that she had turned both keys in their locks,
但突然记起来了，帮手是在她出去买东西之前走的，她还记得曾用了两把钥匙把大门锁上了。