smooth back的意思|示意

As I caressed the smooth surfaces, my mind drifted back through the years, back to my boyhood days.

轻抚着奖杯光滑的表面，我的意识穿越了岁月，回到我的少年时期。

While smooth surfaces send back a reversed, right-polarized wave, rough areas return left-polarized waves.

光滑表面会反射一个反向的优选极化波，而粗糙地区的反射波是左旋极化波。

" You're a long way from there,'said Scarlett, trying to smooth back her untidy hair.

" 你已经离那儿很远了, "思嘉说, 一面拭着把自己的一头乱发向后掠掠.

飘（部分）

The smooth surface of the lake reflected back the brilliant moonlight.

平静的湖面反射出明亮的月光。