elliptical flat-plate

例句：

1. 1. The elliptical orbit of the planet Mars is unique.
   火星的椭圆轨道是独一无二的。
2. 2. The elliptical shape of the moon causes it to cast shadows on the Earth.
   月球的椭圆形状导致它在地球上投下阴影。
3. 3.The elliptical path of the comet was a surprise to astronomers.
   彗星的椭圆路径让天文学家感到惊讶。