A slow moving river current can create a slow turning eddy, which rotates, forming an ice disc.

一条缓慢流淌的河水可以形成慢速的涡流，伴随着旋转，就会形成了一个冰盘。

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A slow moving river current can create a slow turning eddy, which rotates, forming an ice disc.

一条缓慢流淌的河水可以形成慢速的涡流，伴随着旋转，就会形成了一个冰盘。

youdao