他抿了一口咖啡，然后继续讲他的故事。

He took a ___sip of his coffee and then continued with his story.

在酷热中，你可能会觉得为了一口清凉的水，做什么都行。

In the extreme heat, you might feel desperate enough to do anything for a ___sip of cool water.

她品味着那昂贵的葡萄酒，每次只允许自己喝一小口。

She savoured the expensive wine, allowing herself only a small ___sip at a time.