Machine upkeep
[化] 机器保养; 机床保养
🧩 词语组成解析
upkeep
['ʌpkip]
n. 保养，维修;维持;保养费，维修费;
🗣️ 情景例句
Keep a small English dictionary with you at all time.
随身携带一本小英文字典。
He that climbs high falls heavily.
爬得高，跌得重。
Even under a clear blue sky, the village looked forbidding, as all the houses were built of grey mud bricks.
农舍全用灰色的土坯建成，因此，即使在晴朗的蓝天底下，村庄看上去也会令人感到难以亲近。