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瓢蟲有 2 對翅膀：

瓢蟲有 2 對翅膀：. 前翅變為硬鞘以 保護脆弱 的後翅. 後翅為薄膜狀. 鍬形蟲有兩對翅膀：. 前翅變為硬鞘以 保護脆弱的後翅. 後翅為薄膜狀.

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瓢蟲有 2 對翅膀：

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  1. 瓢蟲有2對翅膀： 前翅變為硬鞘以 保護脆弱的後翅 後翅為薄膜狀 鍬形蟲有兩對翅膀： 前翅變為硬鞘以 保護脆弱的後翅 後翅為薄膜狀

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