concentrating

常见例句

用作动词 (v.)

用作不及物动词: S+～(+A)

• I can't concentrate when I'm hungry.
  我饿了就无法集中精力。
• I can't concentrate amid all these distractions.
  在这些干扰中,我不能集中心思。

用作及物动词: S+～+ n./pron.

• The general decided to concentrate his forces near the capital.
  这位将军决定把他的部队集中在首都附近。
• Concentrate the broth by boiling it.
  把肉汤煮得浓一些。
• An acid solution is concentrated when it has very much acid in it.
  当酸溶液里含有很多酸时,它就被浓缩了。

用作动词 (v.)

• I can't concentrate on my work when I'm tired.
  我累了就无法集中精力工作。
• The confusing matters make him unable to concentrate on his study.
  那么多烦心事使他无法专心学习。
• The crowds concentrated round the palace.
  人群汇集在宫殿的四周。
• Birds concentrate in places where food is abundant.
  鸟聚集在食物丰盛的地方。
• We can concentrate sugar solution into syrup.
  我们可以将糖的溶液浓缩为糖浆。

用作名词 (n.)

• It is an orange concentrate which you dilute with water.
  这是一种兑水饮用的浓缩橙汁.
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