1.auction n．拍賣(a sale of property to the highest bidder)

詞根記憶：auct( =aug提高)+ion--提高價格--拍賣

例:This was the second highest price ever paid for a painting at auction.

同根詞：augment( v./n.增大)

2.audlophile n.唱片愛好者：愛玩高級音響的人(a person who is enthusiastic about high-fidelity sound reproduction)

詞根記憶：audio(聲音的)+phile(愛好)一愛玩聲音一唱片愛好者

例:Many audiophiles and audio professionals think the warmer, richer tones produced by vacuum-tube-driven amplifiers make them preferable.

3.audit n.審計(a formal examination of an organization's or individual's accounts or financial situation)

詞根記憶：aud(聽)+it--聽…報告--審計

例:Recent audits revealed that Banque Card has erred in calculating the interest it charges its clients.

同根詞：auditor(n.審計員)：auditorium(n.觀眾席；禮堂)

4.auditorium n.禮堂(a room, hall, or building used for public gatherings);觀眾席(the part of a public building where an audience sits)

分拆記憶：auditor(聽者)+ium(地點)--聽者的地點--禮堂

例:Reno praised Lee in her address to the packed auditorium of civil rights lawyers.

5.aura n.（人或物發出的）氣味，香味(distinctive atmosphere caused by a person or thing)

例:Continued saies depend directly on the maintenance of an aura of exclusivity of the premium coffee.

Ordinary people merely think how they shall spend their time;a man of talent tries touse it．

普通人只想到如何度過時間，有才能的人設法利用時間。

德國哲學家叔本華(Arthur Schopenhauer, German philosopher)