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最佳答案:positive presence积极的存在:肯定的在场例:If the screening results come back positive,showin
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最佳答案:presence英音:['prezns]美音:['prɛzns]名词 n.[U]1.出席,在场;存在I was surprised by the presenc
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最佳答案:需保证物品展示得当.ensure 确保good 好的shelf 货架,架子presence 陈列 展示