hydroscope
/'haidrәuskәup/
📖 中文释义
- n. 深水望远镜
📘 English Definition（英文释义）
- n. An instrument designed to mark the presence of water,
- especially in air.
- n. A kind of water clock, used anciently for measuring
- time, the water tricking from an orifice at the end of a graduated
- tube.