She needs to feel whether something is rough or smooth.

她需要感觉某物是粗糙的还是光滑的。

youdao

These bats can distinguish between the two, and not just with trees, but with any echo that comes in a smooth or rough shape.

这些蝙蝠能够区分这两种声音，不仅仅是通过树木的回声，而是通过任何平滑或粗糙的回声。

youdao

Such activities teach children crucial life skills such as team spirit and learning to take the rough with the smooth.

这种活动教会孩子们一些至关重要的生活技能，如团队精神和学会泰然自若。

youdao

While America has had numerous third parties, one of our system's strengths is that it in effect forces one of the major parties to co-opt and smooth out the rough edges of issues that third parties may advocate.

FORBES: Election Stranger Than Fiction

His spokesman, a loyal but rough spin-doctor, was replaced earlier this year by a smooth-talking Catalan who is not even a member of Mr Aznar's party.

ECONOMIST: Spain: The Aznar touch | The