If one item or share of something is allocated to a particular person or for a particular purpose, it is given to that person or used for that purpose.
双语例句
例： Tickets are limited and will be allocated to those who apply first.
票数有限，将分配给那些先申请的人。
例： The 1985 federal budget allocated $7.3 billion for development programmes.
1985年联邦预算拨了73亿美元用于开发项目。