riptide
英
美
n. 激流
复数：riptides
COCA.34817
柯林斯词典
- 裂流区(两股水流交汇处或海水极深处)
Ariptideis an area of sea where two different currents meet or where the water is extremely deep. Riptides make the water very rough and dangerous.
英英释义
noun
- a strong surface current flowing outwards from a shore
- a stretch of turbulent water in a river or the sea caused by one current flowing into or across another current