研究专家努力了解这样的感染，不过收集样本并不容易，因为鸭嘴兽是夜行动物，大多时间都在地底下或水中。

Researchers are trying to understand the infection, but gathering specimens is difficult because the platypus is a nocturnal creature and spends much of its time underground or in the water.

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天空中除了可以见到几只觅食的麻雀外，在也见不到别的鸟类，小动物们如蛇、青蛙等，都躲到地底下睡觉去了，天空显得很冷清。

The sky in addition to see a few foraging sparrows outside, in also see other birds, the small animals such as snakes, frogs, hide in the ground. It goes to sleep, the sky appears very cold.

youdao

天空中除了可以见到几只觅食的麻雀外，在也见不到别的鸟类，小动物们如蛇、青蛙等，都躲到地底下睡觉去了，天空显得很冷清。

The sky in addition to see a few foraging sparrows outside, in also see other birds, the small animals such as snakes, frogs, hide in the ground. It goes to sleep, the sky appears very cold.

youdao