concentration學測 L4KK [ˌkɑnsəˈntreʃən] ｜ /ˌkɑnsəˈntreɪʃən/
濃度；濃縮程度·專注；全神貫注·密集；聚集
學測常考詞，三義項需辨明
During finals week, she needed total concentration to finish revising in time.
段考週時，她需要全神貫注才能及時複習完。
一個畫面：用力捏緊成一團
捏緊拳頭用力握緊，範圍縮小
人擠一團許多人擠進小小空間
精神鎖定注意力只放在一件事上
義項
糖水過甜B1noun濃度；濃縮程度
The concentration of the sugar solution was so high that it made the drink too sweet.
這糖溶液的濃度太高，使得這杯飲料太甜了。
a high concentrationa low concentration
球場專注B2noun專注；全神貫注
The athlete focused with such concentration that he ignored the noise around him and scored the winning goal.
這名運動員如此專注，得以無視周圍噪音，踢進致勝的一球。
lack of concentrationwith concentration
演唱會人潮B2noun密集；聚集
The concentration of people was so high at the concert that it was difficult to move.
演唱會裡人潮如此密集，連移動都很困難。
a concentration of people
片語
power of concentration專注力量 →專注的能力
loss of concentration分心失焦 →失去專注而分心
with concentration全神貫注 →帶著專注地做事
你會不會這樣說？
The chemist increased the ___ of the sugar solution. (concentration / concentrate)
看答案
concentration
concentration 是名詞，concentrate 是動詞。
'The concentration of people was so high that it was difficult to move.' 這裡的 concentration 最接近？(A) 濃度 (B) 密集 (C) 專注
看答案
(B)
此句描述人潮擠在一起，對應密集義項。
字族
concentrate 動詞：專注；使濃縮・concentrated 形容詞：濃縮的；專注的