Mechanical downtime
[化] 事故停工时间
🧩 词语组成解析
downtime
['dauntaim;'daunˌtaim]
n. （工厂等由于检修、待料等的）停工期;
🗣️ 情景例句
That was very kind of you.
你真周到。
How lucky we are!
我们多么幸运啊！
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。