词典释义：
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While many proposals for higher level relationships -- or super families -- are speculative, some have been widely accepted and others are being considered, especially for native languages with small speaker populations that have not been extensively studied.
很多人推测存在更高层面的关系也就是超级语系，一些说法已经被广泛认同，另一些还有争议，特别是对只有较少人使用的语言还没有全面研究。
《TED-Ed》《TED教育》
短语搭配
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枪支控制提议
双语例句
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Proposals to extend the high-speed railway were met with support and enthusiasm.
延长高铁的提案受到支持和拥护。
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These proposals deserve careful study.
这些建议值得认真研究。
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Details of the proposals remain secret.
提议的细节仍不得而知。
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He has put forward new peace proposals.
他已提出了新的和平建议。
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Have you costed out these proposals yet?
你估算过这些提案所涉及的费用吗？
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Your proposals are still under examination.
你的提议仍在审查之中。
近义词
n.