Maintenance definition
[计] 维护定义, 维护确定, 维护规定
🧩 词语组成解析
🗣️ 情景例句
Hi-tech companies needs many interns to work for them during the summer.
高科技公司在夏天需要许多见习生为其工作。
He is pinned down by the demonstrators.
他被示威的队伍给钉住了。
This evening the cave was ours. It belonged to no one else.
今天晚上，山洞是我们的，它不属于别人。