Mttff
n. mean-time-to-first-failure的简 写
🗣️ 情景例句
I always neglect my health.
我老是忽视我的健康。
Dear, you'll be home right after work, won't you?
亲爱的，你做完工作会直接回家是吗？
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。