By cutting the edges off a cylindrical one, he stopped it from rolling off a table.

通过削去圆柱形笔体的边缘，使铅笔不那么容易滚下桌子。

youdao

By cutting the edges off a cylindrical one, he stopped it from rolling off a table.

通过削去圆柱形笔体的边缘，使铅笔不那么容易滚下桌子。

youdao