Service ceiling
实用升限
🧩 词语组成解析
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
🗣️ 情景例句
Of course, I'll visit at least once a year, maybe more.
当然，我最少每年会来拜访一次，也许更多次。
We would also like to point out that we mainly settle our accounts on a documents-against-acceptance basis.
我们还想指出我们主要以承兑交单方式结帐。
That's right! A friend gave me a photo. I wanted to show it to you.
对！一位朋友给了我一张照片。我要拿给你看看。