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1. 牛津中文字典

   concentrate

   • IPA[ˈkɒnsntreɪt]

   • vi.
     全神貫注; 集中；聚焦
   • vt.
     集中；聚集; 集中
   • n.
     濃縮物

   • 過去式：concentrated 過去分詞：concentrated 現在分詞：concentrating

   • 名詞複數：concentrates

2. • 釋義
   • 同反義

   vi.

   不及物動詞

   • 1. 全神貫注; 集中 concentrate! you're not paying attention! 專心點！你走神了！ to concentrate on sth./sb./doing sth. 專注於某事物／某人／做某事
   • 2. 聚焦 to concentrate on sth. 集中講述某事物
   • 3. 聚集 troops are concentrating north of the city 部隊正在城市北部集結

   vt.

   及物動詞

   • 1. 集中 to concentrate one's gaze on sth. 聚精會神看某物 I concentrated all my efforts on finding somewhere to live 我盡力在找住處
   • 2. 聚集; 集中 the division concentrated its attack on the bridge 該師集中進攻那座橋 to concentrate fire 集中火力
   • 3. 使…濃縮 to concentrate the stock by boiling fast 通過快速煮沸收汁

   n.

   名詞

   • 1. 濃縮物 a tin of tomato/orange concentrate 一聽濃縮番茄汁／橙汁

   同義詞

   1. focus all one's attention on a particular object or activity

   • focus
   • , direct
   • , centre
   • , centralize
   • , bring to bear
   • , home in on
   • , zero in on
   • , focus one's attention on
   • , focus on
   • , pay attention to
   • , keep one's mind on
   • , apply oneself to
   • , address oneself to
   • , devote oneself to
   • , get down to
   • , put one's mind to
   • , be absorbed in
   • , be engrossed in
   • , be immersed in
   • , think about closely
   • , consider closely
   • , rack one's brains about/over
   • , cudgel one's brains about/over
   • , get stuck into

   2. come together in a common location

   • collect
   • , gather
   • , congregate
   • , draw together
   • , converge
   • , mass
   • , cluster
   • , rally
   • , accumulate
   • , amass
   • , concentre

   3. increase the strength or proportion of (a substance or solution) by removing or reducing the other diluting agent or by selective accumulation of atoms or molecules

   • condense
   • , boil down
   • , reduce
   • , distil
   • , thicken
   • , compress
   • , strengthen

   反義詞

   「1. focus all one's attention on a particular object or activity」的反義字

   • dissipate
   • , daydream
   • , let one's mind wander

   「2. come together in a common location」的反義字

   • disperse

   「3. increase the strength or proportion of (a substance or solution) by removing or reducing the other diluting agent or by selective accumulation of atoms or molecules」的反義字

   • dilute