smoothly造句
        Make sure that you execute all movements 
smoothly and without jerking.
一定要保证所有动作自然流畅,不要一顿一顿的。
The replumbing and rewiring of the flat ran very 
smoothly.
公寓里管道和电线的更换工作都进展得非常顺利。
The system was clearly not functioning 
smoothly or transparently.
该系统显然运行并不顺畅,也不明晰。