相关单词近義詞adj. calm, even, flat, flush, glossy, level, easy, effortless, facile, light v. even, flatten, iron, level反義詞harsh, labored, rough, unevenv.roughen臨近詞smother, smooch, smoothy, smoothed, smoothly, smoother, smoothie, smoothen, smoothers, smoothing, smoothish, Smooth fin 返回 smoothest