brightener

• n.brighten的变形

brighten['braitən]

• vi.
  • 发亮，发光；生色：

    The room brightened after she had changed the curtains.

    她换了窗帘后那个房间变得明亮了。

  • 快活，活泼，活跃；开颜：

    The girls brightened(up) when they reached the park.

    姑娘们一到公园就高兴起来了。

• vt.
  • 使发亮，使发光；使生色：

    Brighten the kitchen by painting it yellow.

    给厨房涂上黄色，使它发亮。

  • 使活泼，使光耀；使高兴，使开颜：

    Your visit brightened our day.

    你的来访使我们很高兴。