convexo-concave
基本解釋
- adj.半凸半凹面的
英漢例句
- convexo concave
adj. 一面凸一面凹的 - convexo concave lens
凸凹透鏡 - His figure looks very funny in the concave mirror.
他的樣子在凹鏡里顯得非?？尚Α?/li> - An indented or concave surface or area.
凹陷，洼地凹的表面或地區(qū) - Just as a double convex lens enlarges, so a double concave lens reduces.
正象雙凸透鏡可以放大那樣，雙凹透鏡也可以縮小。