基本解釋adj.兩凹的;兩面凹洼的同根派生 concavo-concave相關(guān)詞英漢例句concavo concaven. 雙凹形His figure looks very funny in the concave mirror. 他的樣子在凹鏡里顯得非常可笑。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。A concave molding with a cross section that approximates a quarter circle. 飛檐的凹圓線腳截面近于九十度弧的凹線腳concavo-concave更多例句