brows
Your brow is your forehead.
forehead
He wiped his brow with the back of his hand.
他用手背擦了擦额头。
Your brows are your eyebrows.
He had thick brown hair and shaggy brows.
他长着浓密褐色的头发和浓粗杂乱的眉毛。
The brow of a hill is the top part of it.
He was on the lookout just below the brow of the hill.
他就在山顶之下放哨。