bright否定字首加什麼

bright沒有否定字首。

adj. 明亮的，鮮明的聰明的愉快的

adv. 明亮地光明地歡快地

n. 車頭燈光She is bright， tough and spunky.

她聰明、頑強而且幹勁十足。

Bright colours are his signature.

他總愛用亮麗的色彩。

His eyes were unnaturally bright.

他的眼睛異常明亮。

His eyes were bright and excited.

他目光發亮，興奮不已。

His bright eyes sparkled.

他明亮的雙眼炯炯有神。