smoothest
形容词 smooth:
having a surface free from roughness or bumps or ridges or irregularities
同义词:smooth
smoothly agreeable and courteous with a degree of sophistication - Ezra Pound
同义词:politic, smooth, suave, bland
of the margin of a leaf shape; not broken up into teeth
同义词:smooth
smooth and unconstrained in movement
同义词:fluent, fluid, liquid, smooth
(music) without breaks between notes; smooth and connected
of motion that runs or flows or proceeds without jolts or turbulence
同义词:smooth
lacking obstructions or difficulties
同义词:smooth
(of a body of water) free from disturbance by heavy waves