副词是brightly,意思是明亮地鲜明地例如:

1、The sun shone brightly in a cloudless sky.太阳在无云的天空中明亮地照耀着。

2、The sun was shining brightly.太阳明亮地照耀着。

3、the words still gleamed as brightly as ever on the stone.那些文字仍然那么明亮地在石墙上闪烁。