Operational life span
[计] 使用寿命
🧩 词语组成解析
life
[laɪf]
n. 生活，生计;生命，性命;一生，寿命;人生，尘世;
span
[spæn]
n. 共轭（马、骡）;跨度，墩距;一段时间;[航] 跨绳;
vt. 缚住或扎牢;跨越时间或空间;以掌测量;以手围绕测量类似测量;
🗣️ 情景例句
I know it's sudden, Robbie,
我知道这件事很突然， Robbie。
I'll check into it and get back to you.
我查对一下然后送还给你。
As the thieves were trying to get away in their car, Roy drove his bus into the back of it.
当那两个小偷企图乘车逃跑时，罗伊驾驶他的公共汽车撞在了那辆车的后尾上。