smooth
adj. 顺利的；光滑的；平稳的；
vt. 使光滑；消除（障碍等）；使优雅；缓和；
n. 平滑部分；一块平地；
vi. 变平静；变平滑；
adv. 光滑地；平稳地；流畅地。
扩展资料
例句：
His sales pitch was smooth and convincing.
他的.推销辞令流畅且令人信服。
This exercise is done in one smooth motion.
这套体操是由一个流畅的动作完成的。
He had shaved his face until it was smooth.
他把脸刮到光滑为止。
