基本解釋adj.平凹的同根派生 plano-concave相關詞英漢例句plano concave lens 平凹透鏡,球平麪凹透鏡plano concaveadj. 平麪平一麪凹的(平凹的)His figure looks very funny in the concave mirror. 他的樣子在凹鏡裡顯得非常可笑。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。plano-concave更多例句