brightening

n. 抛光剂(增白剂, 光亮剂)
n. 澄清(纯化, 发亮, 增亮, 照明)

例句与用法:

Her ruby necklace brightened her face.

红宝石项链照亮了她的脸庞。

The sky/weather is brightening.

天空[天气]转晴。