咖啡杯里的牛奶慢慢旋转着融入黑色的咖啡中。

The milk ___swirled slowly into the black coffee in the cup.

牛奶倒入咖啡后形成了漂亮的漩涡。

The milk formed beautiful ___swirls when poured into the coffee.

听到这个消息后，他的思绪开始混乱不清。

After hearing the news, his thoughts started to ___swirl uncontrollably.