the part of the face above the eyes and below the hair 额头 SYN forehead
The nurse mopped his fevered brow.
护士擦拭了他发烫的前额。
Her brow furrowed in concentration.
她眉头紧锁全神贯注。

= eyebrow
One dark brow rose in surprise.
一道乌黑的眉毛惊奇地挑起。