常見例句convexo concaveadj. 一麪凸一麪凹的convexo concave lens 凸凹透鏡His figure looks very funny in the concave mirror. 他的樣子在凹鏡裡顯得非?？尚?。An indented or concave surface or area. 凹陷，窪地凹的表麪或地區(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。A concave molding with a cross section that approximates a quarter circle. 飛簷的凹圓線腳截麪近於九十度弧的凹線腳 返回 convexo-concave