凸 的中文句子和英文句子

驼背人类背部的变形，由脊柱上部不正常的弯曲凸起造成

A deformity of the back in human beings caused by an abnormal convex curvature of the upper spine.


我的自行车在凹凸不平的车辙道上颠颠簸簸.

My bike bumped over the ruts.


蒲团一种由分束棉絮或类似材料制成的垫子构成的寝具，当作床垫或盖被铺在地板或凸起的框架上

An article of bedding consisting of a pad of tufted cotton batting or similar material, used on a floor or on a raised frame as a mattress or comforter.


蜘蛛长着凸出的腹部。

The spider has a bulgy abdomen.


阀门挺杆通过凸轮转动的杆，用来操纵内燃机的阀门

A rod moved by a cam to operate the valves in an internal-combustion engine.