名詞 smoothness:

1. a texture without roughness; smooth to the touch
2. powerful and effective language
   同義詞：eloquence, fluency
3. the quality of being bland and gracious or ingratiating in manner
   同義詞：suavity, suaveness, blandness
4. the quality of having a level and even surface
5. the quality of being free from errors or interruptions

1. Somehow he was irritated by the smoothness of the salesman.
   不知為什麼這個推銷員的圓滑使他惱怒。
2. Lack of smoothness or regularity; unevenness.
   不平坦缺乏平衡感或規(guī)律性; 不平的
3. We are satisfied with the smoothness of the negotiation.
   我們對談判的順利進行很滿意。
4. I felt comfortable sailing on the smoothness of the sea.
   在平靜的海面上航行我感到很舒服。