The surface of Eggs was smooth and glossy. 卵表面光滑無(wú)特殊結構。
Make your first brush strokes, then lay off to get the surface smooth. 你先初刷一遍，然后往下再刷一層使表面光滑。
Full is also studying how geckos climb smooth surfaces. 富爾還研究壁虎爬越光滑表面的技巧。
A light tap on a smooth surface or the proximity of a hand replaces physical actuation of a mechanical switch. 在光滑表面上輕輕一觸，或者用手靠近一下，就能代替機械開(kāi)關(guān)的物理傳動(dòng)。
