sustainvt.支持;承受;维持;认可;经受
sustain circuit吸持电路
sustainable use可持续利用
sustained grade持续坡度
sustained yield持续产量,保存得率
sustainablifity可持续性
sustained fault持续故障
sustainer motor主发动机,主火箭发动机
sustain reverse遭受挫折, 吃败仗
sustaining pedaln.延音踏板
"they were in want of sustenance"
"fishing was their main sustainment"