是：darkHer eyes gleamed in the dark.

她的眼睛在黑暗中闪烁。

We should arrive before dark.

我们天黑以前应该能赶到。

One dark brow rose in surprise.

一道乌黑的眉毛惊奇地挑起。

His room is sombre and dark.

他的房间阴森黑暗。

His dark head bent over her.

他对她低下他那黑发的头。