concave.的例句（concave.在句子中的用法）

• concave mirror 凹面镜
• concave lens 凹透镜
• ...the concave bottom of an empty hair spray container. 空喷发胶罐凹进去的罐底
• ...a concave stomach. 凹陷的腹部
• In adults its contour may be straight, slightly concave or slightly convex. 成人肺其形状可以是直的, 轻微凹下或轻度突出.
• The palm of one's hand is slightly concave. 人的手掌是微凹的.
• The cloven hooves are sharp edged , elastic and concave. 蹄锋利,呈凹形, 富有弹性.