ˋkɑnsNˏtret,-sєn-; ˊkɒnsntreit,-sin- < con.cen.trate > [次常用字] <<动词>> concentrat.ed, concentrat.ing, concentrates <<及物动词>> 1 a. 集中 (於中心点) b. 集中 (於一个主体) Authority was concentrated in the president. 权力集中於总统身上 2 浓缩 <<不及物动词>> 1 a. 集中 b. 聚集 "Dusk began to concentrate into full night." (Anthony Hyde)薄暮开始凝聚成黑夜 2 专注; 全神贯注 We concentrated on the task before us. 我们专注於眼前的工作 <<名词>> ((缩)) conc. 浓缩品 pineapple juice concentrate 凤梨浓缩汁 <<形容词>> concen.trative <<副词>> concen.trative.ly <<名词>> concen.trator