Estimated service life
[经] 估计使用年限
🧩 词语组成解析
estimated
[['estimetid]]
a. 估算的；估计的；预计的
service
['sɝvɪs]
n. 服务，服侍;服务业;维修服务;服役;
vt. 检修，维修;向…提供服务;保养;满足需要;
adj. 服务性的;耐用的;服现役的;
serv服务+ice表名词，行为，状态 →服务
life
[laɪf]
n. 生活，生计;生命，性命;一生，寿命;人生，尘世;
🗣️ 情景例句
and I love being here with the family,
而我也喜欢和家人在一起。
A bird is known by its note, and a man by his talk.
闻其歌知其鸟，听其言知其人。
Yet a great many processes depending on such research are sought for with complete secrecy until the stage at which patents can be taken out.
然而，依赖这种研究的很多工艺程序是在完全保密的情况下进行的，直到可以取得专利权的阶段为止。