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
That's five points.
五分。
Empty hands no hawk allure.
空手不能诱鹰来。
Kidnappers are rarely interested in animals, but they recently took considerable interest in Mrs.Eleanor Ramsay's cat.
绑架者很少对动物感兴趣。最近，绑架者却盯上了埃莉诺。拉姆齐太太的猫。