Machine maintenance
[化] 机器保养; 机床保养\\n[经] 机器维修
🧩 词语组成解析
🗣️ 情景例句
We've got permission to go inside the old building
我们已获 进入那栋老建筑物
If he doesn't play, who will?
如果他不，谁要去玩？
But it's true. I was the only person in my office who was invited. I've written to accept the invitation.
可这是真的。我们办公室只有我受到邀请。我已经写信表示接受邀请了。