所有陆龟品种都在三角形的上部形成一个紧密的点群；所有的水龟都聚集在三角图的下方。
All the land tortoise species formed a tight cluster of points in the upper part of the triangle; all the water turtles cluster in the lower part of the triangular graph.
所以，长着四角眼的动物由于其巨大的瞳孔在白天能紧密的闭合在一起阻挡光线使得它们在晚上有很好的分辨力。
Consequently, animals with rectangular eyes can see better at night due to having larger pupils that can be closed more tightly during the day to restrict light.
戴维l狄布恩说：“行星最紧密的会合将在5月10日(周二)发生，金星、木星和水星将形成一个紧密会合的三角，火星在左边，位于三角下方。”
The very closest grouping will come Tuesday, May 10, when Venus, Jupiter and Mercury will be in a very close-knit triangle, with Mars to the left and below the triangle.
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