Either of the leathery or chitinous forewings of a beetle or a related insect, serving to encase the thin, membranous hind wings used in flight.

鞘翅甲虫或其它相关的昆虫的一对坚韧的或几丁质的前翅，用于保护飞行中薄的、膜状的后翅。

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Either of the leathery or chitinous forewings of a beetle or a related insect, serving to encase the thin, membranous hind wings used in flight.

鞘翅甲虫或其它相关的昆虫的一对坚韧的或几丁质的前翅，用于保护飞行中薄的、膜状的后翅。

youdao