present perfect continuous vs present perfect的相關文章
present perfect continuous vs present perfect的相關公司資訊
sustain - definition of sustain by The Free Dictionary
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日期:2025-11-18
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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