如何使用 "convex" 造句

1. Because there is no abrasion between the concave and convex , the nut is reusable .
因为凹面与凸面没有磨损,螺母可以重复使用。
2. The moon was above us , a convex shape almost crushing us , a ruined roof , studded with holes like a cheese grater .
月亮就在我们上方,凸面对着我们仿佛要把我们挤压粉碎,像一个荒废的屋顶,满目疮痍像一个干酪粉碎机。
3. Later , at their country house , she works at a large convex interactive touch screen for illustrators .
不久之后在他们的乡间住所中,她在一面巨大的凸面互动触摸屏上画着插画。