背1遍就想上考场大学英语考研单词 479

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[00:02]contain 包含，容纳

[00:14]detain 拘留，扣留

[00:25]retain 保留，保持

[00:36]obtain 获得，得到

[00:47]contract 合同，契约

[00:59]abstract 抽象的;抽象派的

[01:13]siege 包围，围困

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