有数百种毒蜘蛛和毒蛇。

There are hundreds of poisonous spiders and snakes.

因为有好多毒蜘蛛和毒蛇，所以他们不能吃草。

There are many poisonous spiders and venomous snakes, so they can't eat grass.

在雌性毒蜘蛛“黑寡妇”的腹部可以看到有威慑作用的红点。

It's the female black widow spider that is venomous and displays a menacing red dot on her abdomen.

有趣的是新西兰除了一些罕见的毒蜘蛛之外无害兽，因此你可以安全地独自一人在任何地方行走。

Interestingly, however, there are no dangerous animals in New Zealand except some rare poisonous spiders, so you can safely walk anywhere all by yourself.