当水在上层大气中凝固，会形成细微的，扁平的，六面体形状的冰晶。
As water freezes in the upper atmosphere, small, flat, six-sided, ice crystals might be formed.
皮蒂姑妈给她做了一件漂亮的绿色短斗篷，可以遮住她的体形，还做了一顶绿色的扁平帽，和她的眼睛正好相配。
Aunt pitty had made her a pretty green mantelet which hid her figure and a green pancake hat which matched her eyes and she always wore these becoming garments on her business calls.
玻璃体脱离者见玻璃体形态失常，后界扁平与球壁间有液性暗区分隔。
Vitreous detachment displays abnormal shape presented as flat posterior boundary and fluid area between vitreous and eyeball.
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