1. 名詞
   焦點, 焦距
   聚光點
   震源, 震央
   (尤指注意力、核心上的)重心, 重點, 中心
   /以上複數可為"focuses"或"foci"/
   限定單數the focus for ...(活動等):
   ...的焦點
   限定單數the focus of ...(事物):
   (尤指注意力、核心上)...的重點
   (尤指注意力、核心上的)...的中心
   

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   同義字詞
   axis,base,capital,center,central,core,cynosure,epicenter,eye,ground zero,heart,hub,locus,mecca,navel,nerve center,nucleus,seat
   compass,cynosure,direction,lodestar,loadstar,polestar
   

2. 動詞
   不及物動詞:
   調節焦距
   聚焦
   集中目光
   集中
   及物動詞:
   調節...(相機、顯微鏡等)的焦距
   (以調節鏡頭的焦距)使...(圖像等)清晰
   使...(光線等)聚焦
   使...(眼睛)集中目光
   

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   同義字詞
   center,concentrate,fasten,rivet,train
   

3. 形容詞
   in focus:
   (照片)清晰的
   out of focus:
   (照片)模糊的
   

4. 動詞片語連結
   (人事物)shift ...(人)'s focus:
   轉移...的注意力
   (尤指注意力、核心上)轉移...的重心
   (人)shift ...(主詞)'s focus:
   轉移注意力
   (尤指注意力、核心上)轉移重心
   (人)shift ...(主詞)'s focus to ...(A: 人事物):
   把注意力轉移到(A)上面
   (尤指注意力、核心上)把重心轉移到(A)上面
   (人)shift ...(主詞)'s focus from ...(A: 人事物) to ...(B: 人事物):
   

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例句

1. Why the focus on oil?
2. The focus is on useful effect.
3. His focus is Canadian equities.
4. Let's focus on what really matters.
5. It allows me to: Focus on the writing.
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