1. 動詞
   broach現在分詞:
   不及物動詞:
   (鯨魚、魚雷等)冒出海面
   及物動詞:
   提出...(難題等說不口的事)
   開始討論...(難題等說不口的事)
   鑽孔開...(酒桶等)
   開飲用口...(酒瓶等)
   在...(桶等)上開孔
   在...(桶等)上打眼
   

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   同義字詞
   break,surface
   bring up,introduce,moot,place,raise
   

例句

1. Internal broaching is more involved.
2. Thank you again for broaching the subject.
3. Rotary broaching is another common operation.
4. Jane dreaded broaching the subject to Christopher.
5. Broaching retirement is touchy for so many reasons .
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