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The current division of major language families represents the limit at which relationships can be established with reasonable certainty, meaning that languages of different families are presumed not to be related on any level.
现在对主要语系的划分，在合理的可能性内，不同语言之间的关系仅限于这几种，就意味着不同语系的语言在任一层面上都没有交集。
《TED-Ed》《TED教育》
双语例句
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I'm not exactly sure what she does there, but it seems to be related to humorous poems.
我并不确切地知道她在那里做什么，但似乎与幽默诗歌有关。
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The two events seem to be related).
这两个事件似乎有关联）。
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This plant is said to be related to that one.
据说这种植物与那种植物同属一类。
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The other part is that he has to be related to you.
另一部分就是他必须和你有亲属关系。
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That something seems to be related to an enzyme called catalase.
这种物质似乎与一种名叫过氧化氢酶的酶有关。