eddy

n. 逆流,漩涡
v. 起漩涡

The mist eddied round the old castle.

薄雾在那座古老的城堡的周围打转转。

The little paper boat was caught in an eddy and spun round and round in the water.

小纸船卷进了漩涡中，在水中直打转。