There were gluetraps lying about with dead mice and beetles on them, but it was cooler there than upstairs.

里面随意摆放着粘鼠板，上面粘着死老鼠和死虫子，但楼下比楼上凉爽。

youdao

So, how can we explain those dead cedars that were infected with beetles?

那么，我们该如何解释那些因为甲虫侵袭而死亡的黄杉呢？

youdao

In those cases, the beetles attacked trees that were already damaged or sick and what probably dead any way.

这种情况是因为甲虫侵袭的是已经受损或者患病的黄杉，这些黄杉没有甲虫也会死去。

youdao

Once the beetles hit a tree, it's as good as dead within five years.

WSJ: Mass. creates quarantine zone to contain insect