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sustain - definition of sustain by The Free Dictionary
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日期：2026-04-22
sus·tain (s-st n) tr.v. sus·tained, sus·tain·ing, sus·tains 1. To keep in existence; maintain. 2. To supply with necessities or nourishment; provide for. 3. To support from below; keep from falling or sinking; prop. 4. To support the spirits, vitality, or...看更多
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