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

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