| 释义 |
upper surface 释义 上表面:物体或物体的一部分的顶部或上方的表面。 例句 1·The curved upper surface of a nonturbulent liquid in a container that is concave if the liquid wets the container walls. 弯月面容器中之静止液体的弯曲上表面,如果液体浸润了容器壁,那么弯曲面呈凹状。 2·The upper surface has a deformation hole. 上表面具有变形孔。 3·The upper surface of glacier is riven by crevasses. 冰川的上表面已裂成冰隙。
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