verb · to move upward, especially using both hands and feet

他顺着梯子爬上了房顶，准备检查一下烟囱。

verb · to move along the ground on hands and knees or by dragging the body

那个小宝宝在地上爬。

verb · to rise or sit up from a lying or prone position

他挣扎着从地上爬了起来。