16. aroma

The aroma of lilacs lingers about the garden.

丁香花的香气在花园中弥漫。

17. articulate

He finds it very difficult to articulate his distress.

他觉得很难用言语表达出他的痛苦。

18. ascertain

The police are trying to ascertain exactly who was at the party.

警方正在调查到底谁去了那场聚会。

19. attest

The luxurious furniture attests to the family's wealth.

这组昂贵的家具彰显了他家的富贵气质。

20. audacious

His audacious action turned out to be a disaster.

他大无畏的举动却带来了灾难。