动词短语
中文翻译：四肢着地
同义词：
['crawl on all fours', 'crawl onhands and knees', 'lie flat on theground']
例句：
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1. The dogwas so excited that it couldn'twait to run on all fours togreet its owner.
这只狗太兴奋了，迫不及待地四肢着地迎接主人。
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2.The baby elephant was crawling on allfours to get closer to its mother.
小象四肢着地爬行，想要靠近妈妈。
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3. The lion was lying flaton the ground, waiting for its prey to come closer.
狮子四肢着地躺在地上，等待猎物靠近。