skim off 撇去
skim milk 脱脂奶
skim through 浏览
skim over 掠过
A: How did that flat stone move so smoothly?
A：那块扁平的石头是怎么移动得那么顺滑的？
B: It skims across the water when you throw it correctly.
B：如果你投掷得当，它就会掠过水面。
1) 轻快地掠过表面
2) 快速地浏览阅读
3) 撇去液体表面的东西
1. 掠过，滑过
2. 浏览，略读
verb
1. To move quickly and lightly over a surface.
2. To read or look at something quickly to get the main ideas.