concentrating

常见例句

用作動詞 (v.)

用作不及物動詞: S+～(+A)

• I can't concentrate when I'm hungry.
  我餓了就無法集中精力。
• I can't concentrate amid all these distractions.
  在這些乾擾中,我不能集中心思。

用作及物動詞: S+～+ n./pron.

• The general decided to concentrate his forces near the capital.
  這位將軍決定把他的部隊集中在首都附近。
• Concentrate the broth by boiling it.
  把肉湯煮得濃一些。
• An acid solution is concentrated when it has very much acid in it.
  儅酸溶液裡含有很多酸時,它就被濃縮了。

用作動詞 (v.)

• I can't concentrate on my work when I'm tired.
  我累了就無法集中精力工作。
• The confusing matters make him unable to concentrate on his study.
  那麽多煩心事使他無法專心學習。
• The crowds concentrated round the palace.
  人群滙集在宮殿的四周。
• Birds concentrate in places where food is abundant.
  鳥聚集在食物豐盛的地方。
• We can concentrate sugar solution into syrup.
  我們可以將糖的溶液濃縮爲糖漿。

用作名詞 (n.)

• It is an orange concentrate which you dilute with water.
  這是一種兌水飲用的濃縮橙汁.
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