convexity of tab sole of last凸: bulge; protrude度: surmise; estimate前掌: fore foot(f/f); half sole凸度: barreling; bulge; camber height; convex camber; crown; degree of convexity腳前掌: ball of foot; toe-ball下載手機(jī)詞典可隨時隨地查詞查翻譯