smoothen /'smu:ðәn/ 📖 中文释义 v. 使平滑, 使平和 🧩 词形变化 现在分词 smoothening过去式 smoothened第三人称单数 smoothens过去分词 smoothened 📘 English Definition(英文释义) v make smooth or smoother, as if by rubbingv make (a surface) shinev become smooth ← smoothed line S 字母词表 smoothened →