Failure-free operation
[计] 无故障运行, 正常运行
🧩 词语组成解析
free
[fri]
adj. 自由的;免费的;免税的;空闲的;
adv. 免费地;自由地，无拘束地;一帆风顺地;
vt. 免除;释放;使自由;解救;
🗣️ 情景例句
The council will not permit you to build here.
委员会不会允许你们在这一带搞建筑。
What's your brother planning to do tomorrow?
你的兄弟计划明天做什么？
it is extremely difficult to estimate the true value of the services which people perform for us.
但要估算别人为我们为所提供的服务的价值却是极其困难的。