而类似甲壳虫和螽斯这样的昆虫，会在被攻击的时候使自己流血。但是这些极端措施的效果如何还并不为人所知。
A few insect species including beetles and katydids actively bleed when attacked, but the benefits of taking such extreme measures were not clear.
而类似甲壳虫和螽斯这样的昆虫，会在被攻击的时候使自己流血。但是这些极端措施的效果如何还并不为人所知。
A few insect species including beetles and katydids actively bleed when attacked, but the benefits of taking such extreme measures were not clear.
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