sustain/səˋsten; səˈsteIn/v [T] 1 to make something continue 保持﹐使持续: a strategy that would sustain economic growth 保持经济增长的策略2 to keep someone strong or healthy 使〔某人〕保持强壮[健康]: A good breakfast will sustain you through the morning. 早餐吃得好可以让人整个上午精力充沛。3 formal to suffer injury, damage, or loss【正式】遭受﹐经受: Two people sustained minor injuries . 有两人受了轻伤。