concavo concave

常见例句

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
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
A depression similar to that in a shallow concave container for food.
凹形，凹麪與淺的凹型盛食物的容器相似的凹処