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N-UNCOUNT
（尤用于制作裝飾品和樂器的）黃銅
Brass is a yellow-coloured metal made from copper and zinc. It is used especially for making ornaments and musical instruments.
例句
The instrument is beautifully made in brass.
這個儀器是用黃銅制成的，非常漂亮。
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N-SING
（交響樂隊的）銅管樂樂器組，銅管樂器
The brass is the section of an orchestra which consists of brass wind instruments such as trumpets and horns.
例句
He once again raised his baton and brought in the brass.
他再次舉起指揮棒，讓銅管樂部加入進來。
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N-COUNT
（常見于教堂的）黃銅紀念牌
Brasses are flat pieces of brass with writing or a picture cut into them, which are often found in churches.
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N-SING-COLL
（軍隊或其他機構的）高級軍官，高層人物
In the army or in other organizations, the brass are the people in the highest positions.
例句
The brass are reluctant to fraternise with the enlisted men.
高級軍官不愿意與大兵們稱兄道弟。
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PHRASE
討論基本事實；探討實質問題
If you get down to brass tacks, you discuss the basic, most important facts of a situation.
例句
Angola's ruling party was due to get down to brass tacks today with a debate on the party's record.
安哥拉執政黨預定在今天就有關該黨執政記錄的問題進行實質性討論。