凸凹函數(shù) concave and convex: 凹面和凸面; 凹凸concave convex: 凹凸的; 凹凸度; 凹凸形的concave-convex: 凹凸的; 凹凸形convex concave: 凹凸度; 凸凹形; 一面凸一面凹的convex-concave: 凸凹形下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯