草帽

The bumblebee sizzed right under his straw hat.

大黄蜂就在他的草帽底下。

Milly and Mollyslipped the big,brown,straw sunhat under thefourth pair of boots andran all the way back totheir picnic basket.

5米莉和茉莉把这顶棕色的大草帽压在第四双鞋了下面，然后一路跑回自己的野餐子。

The light intensity distribution exhibits straw hat shape on a certain conditions, in other word to say, the central light intensity is less than acroteric light intensity.

在一定条件下，截面上的光强分布会呈现中心光强小于周围光强的“草帽型”分布。