eager

/ˈigər/

a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)

中文释义：急流；涌潮

The eager swept through the estuary, overturning small boats.

涌潮冲过河口，掀翻了小船。

Sailors must be cautious of the eager when navigating narrow channels.

水手在狭窄水道航行时必须警惕急流。