skim

The flat stone managed to skim across the surface of the lake five times.

(Chinese) 那块平整的石头成功地在湖面上掠过了五次。

Dragonflies often skim the surface of the pond to lay their eggs.

(Chinese) 蜻蜓经常在池塘表面掠过以产卵。

Use a large spoon to skim the excess fat off the top of the boiling soup.

(Chinese) 用一把大勺子撇去滚汤表面的多余油脂。

In the traditional process, they skim the cream from the fresh milk.

(Chinese) 在传统工艺中，他们从鲜奶中撇取奶油。