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've been trying to find
我一直在寻求
And want to share with them the pleasure and honor of receiving this award.
并与他们分享这次得奖的喜悦与荣耀。
the food simply local cheese accompanied by bread often twelve months old, all washed down with coarse wine.
食物是当地的干酪和通常存放了一年之久的面包，人们就着劣酒吞下这种食物。