injection/Inˋdʒɛkʃən; Inˈdʒekʃ$n/n 1 [C,U] when a drug is put into your body using a special needle 注射: The nurse gave me an injection . 护士给我打了一针。+of an injection of insulin 胰岛素注射2 [C] the addition of money to something in order to improve it〔为改进某事的〕资金注入: +of The firm received a cash injection of $6 million. 这家公司收到一笔 600 万美元的现金注资。