常見例句用作動(dòng)詞 (v.)用作不及物動(dòng)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.在這些干擾中,我不能集中心思。用作及物動(dòng)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(duì)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.當(dāng)酸溶液里含有很多酸時(shí),它就被濃縮了。用作動(dòng)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.那么多煩心事使他無法專心學(xué)習(xí)。The crowds concentrated round the palace.人群匯集在宮殿的四周。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為糖漿。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. 返回 concentratively