您知道如何做蛇形或半月形吗？

Do you know how to do the snake or the half-moon?

手指甲底部的半月形苍白区域称为甲半月(lunula)。

The lunula is the half-moon shaped pale area at the bottom of finger nails.

唐朝女性喜欢将眉毛修剪为半月形或柳叶形。

Tang women loved to trim their eyebrows into the shape of the half moon or arched willow leaves.

镰状细胞病的特征是红血球形状发生突变，由平滑的圆圈形状改变为新月形或半月形。

Sickle-cell disease is characterized by a modification in the shape of the red blood cell from a smooth, donut-shape into a crescent or half moon shape.

“说得对极了，”邓布利多说，他那半月形眼镜上方的目光显得非常严肃，“这足以使任何一个孩子冲昏头脑。”

"Exactly," said Dumbledore, looking very seriously over the top of his half-moon glasses. "It would be enough to turn any boy's head."