The obvious solution ? Get rid of these entryways so the virus can 't get into your healthy cells .

最有效的解决方案是把这些通道清理掉，这样的话，病毒就没法侵入人体细胞了。

To locate the underground stores , gatherers looked for entryways to burrows or thumped the ground and listened for hollows .

为了定位那些地下商店，搜集者们用挖掘或敲击地面，听底部空洞的声音来寻找洞穴。