Longevity of life
[化] 长使用寿命
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
life
[laɪf]
n. 生活，生计;生命，性命;一生，寿命;人生，尘世;
🗣️ 情景例句
The rest of our family went to the movies.
我们家其余的人都去看电影了。
Many a true word is spoken in jest.
戏言寓真理。
'The fire broke out in the basement.I went down immediately,of course,
“地下室突然着火，我当然马上下去了。