16. aroma
The aroma of lilacs lingers about the garden.
丁香花的香氣在花園中彌漫
。17. articulate
He finds it very difficult to articulate his distress.
他覺得很難用言語表達出他的痛苦
。18. ascertain
The police are trying to ascertain exactly who was at the party.
警方正在調查到底誰去了那場聚會
。19. attest
The luxurious furniture attests to the family's wealth.
這組昂貴的家具彰顯了他家的富貴氣質
。20. audacious
His audacious action turned out to be a disaster.
他大無畏的舉動卻帶來了災難
。