Mtbf
[计] 平均无故障工作时间, 平均故障间隔时间
🗣️ 情景例句
It's pure fiction.
完全是捏造。
That work will take three hours.
完成那项工作需要三小时。
steam boats carried thousands of visitors across the Channel from Europe.
但汽船还是把成千上万的参观者从欧洲大陆送过了英吉利海峡。