a. 平滑的, 平稳的, 流畅的, 和蔼的, 安祥的, 圆滑的, 调匀的, 无毛的
vt. 使光滑, 烫平, 使平和, 消除
vi. 变平滑, 变平静
n. 一块平地, 平滑部分
英文释义
n. the act of smoothing
v. make smooth or smoother, as if by rubbing
v. free from obstructions
a. having a surface free from roughness or bumps or ridges or irregularities