双语例句
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Do you mean present and past participles?
那一定是指现在分词或过去分词了。
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They may not have verbs, nouns or past participles, but birds challenge the notion that humans alone have evolved grammatical rules.
它们可能没有动词、名词和过去分词，但是鸟类挑战只有人类演化出语法规则这一观念。