漩涡

swirl

eddy

whirlpool

air eddy

vortex

spiral vortex

gulf

maelstrom

purl

burble

漩涡[xuánwō]

不要在有漩涡的水域游泳，那里有危险的暗流。
Do not swim in where the water is swirling around; there are dangerous currents.

小孩从船上掉进了漩涡。
The child dropped into the whirlpool from the ship.

小纸船卷进了漩涡中，在水中直打转。
The little paper boat was caught in an eddy and spun round and round in the water.

那独木舟卷进漩涡里了。
The canoe was sucked (down) into the whirlpool.