surface adhering sand的用法和樣例：
例句
- This plane is therefore called the neutral surface of the beam.
因此這個平面稱為梁的中性面。 - OWING to the cant of the vessel, the masts hung far out over the water, and from my perch on the cross-trees I had nothing below me but the surface of the bay.
由于船已經傾斜，桅桿遠遠地伸到了水面上，我坐著的桁梁上面只有一灣海水。
