The female birds have the same pattern as the males, but they are a little duller in color．

雌性鸟类与雄性鸟类有相同的图案，但是雌性鸟类的颜色更暗淡一点。

youdao

A phrenologist and a mesmerizer came—and went again and left the village duller and drearier than ever.

一位骨相学家和一位催眠师来了——又走了，这个镇子比以往任何时候都更加沉闷和乏味。

youdao

Because smoking causes the skin to become duller.

吸烟使得皮肤失去光泽，变得黯淡无光。

youdao

Family weddings would be duller if Uncle Joe were limited to the small fish he caught.

CNN

Conventions are not just becoming duller to watch, they are also getting more unpleasant to attend.

ECONOMIST: Lexington

Talk was beginning to turn away from corporate fraud and towards safer if duller topics such as outsourcing.

ECONOMIST: Greater responsibility, greater power | The