concentrate
【词性】：v． 【释义】： 集中，集结 ‖concentrated attack集中攻击concentrated bombing集中轰炸concentrated fire集中火力concentrated group集群目标concentrated raid集中空袭concentrated firepower集中火力concentrated adj．集中的concentration n．集中concentration area集结地带concentration camp集中营concentration depot集结站concentration of fire火力集中concentration point集中地点concentrative adj．集中的concentre［kn′sent］v．集中 |