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8.3 FCE 1V2
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propel v.
推动
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manufacture v.
制造
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custom n.
习惯
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duo n.
二重奏
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alternative n.
替代品
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standard n.
标准
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assurance n.
保证
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reinforce v.
加强
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refine v.
提炼
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occupy v.
占据
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from the outset
从一开始
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diminish v.
减少
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abundant adj.
丰富的
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feature n.
特征
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intimidating adj.
吓人的
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hone v.
磨练
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recognition n.
识别
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gradual adj.
逐渐的
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resourceful adj.
资源丰富的
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ideal adj.
理想的
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constitute v.
构成
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glide v.
滑行
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sediment n.
沉积物
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demanding adj.
要求高的
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interact v.
互动
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resume v.
继续
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sustain v.
维持
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productive adj.
富有成效的
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incompetence n.
无能
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fragment n.
碎片
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