pause是什么意思？(3)

He worked steadily, and fast, pausing only to toss away clumps of grass roots
他平稳快速地工作着，只在扔掉草根块儿时停顿一下。
On leaving, she paused for a moment at the door
离开时，她在门口停顿了一下。
He talked for two hours without pausing for breath.
他一连说了两个小时，都没有停顿一下喘口气。