在蚂蚁庄园小课堂中有关于9月20日问题的答案已经更新了，下面就和小编来看一下“直升机的飞行原理与以下哪种玩具相似？”这个问题的正确答案吧。问题：直升机的飞行原理与以下哪种玩具相似？选项：A、竹蜻蜓 B ...[查看全文]
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