o' /ә/ 📖 中文释义 prep. “of”的缩写(如o'clock等), “on” 的缩写 📘 English Definition(英文释义) A prefix to Irish family names, which signifies grandson ordescendant of, and is a character of dignity; as, O'Neil, O'Carrol.prep. A shortened form of of or on. ← O rly O 字母词表 O'Befirne's valves →