Right. As you know, Australia has many unique species of animals due to its long geographical isolation, such as kangaroos, wallabies, koalas, wombats, dingoes, possums, platypuses, spiny anteaters and so on.

好。我们都知道，澳大利亚由于长期地理隔离，有很多独特动物物种，比如鼠、沙鼠、熊、澳洲野狗、负鼠、鸭嘴兽、针鼹等。

Why do I gotta be the platypus? Make him the platypus.

么我是鸭嘴兽? 他才是。

After watching the platypus for a few moments, it seemed to disappear.

看了一会儿鸭嘴兽，它似乎消失了。

Only two kinds of mammals, the platypus and the echidna, lay eggs.

只有两种哺乳动物，也就是鸭嘴兽和针鼹鼠会产蛋。

Pretty sure this is the only color that platypus skulls come in.

我很确定鸭嘴兽头骨只有这种颜色。

You're probably underestimating the size of wombats, and overestimating platypuses.

你可能低估了熊大小，高估了鸭嘴兽大小。

Yeah, I felt the same way about the platypus.

是啊，我对鸭嘴兽也是这么个感觉。

And, of course, there are some incredible animals in Australia Like kangaroos and emus that live on the coast, and the cute marsupials like koalas and wombats, and unique animals like the platypus and camels.

当然，大洋洲也有一些不可思议动物，比如生活在海边鼠和鸸鹋，还有可爱有动物，比如考拉和熊，还有一些独特动物，比如鸭嘴兽和骆驼。

These subtle creatures didn't belong to any of the three main mammal groups on the planet today-which are the placental mammals (like us), monotremes (like the platypus) and marsupials (like koalas and kangaroos).

这些小动物不属于今天地球上三个主要哺乳动物群体——胎盘哺乳动物(像我们)、单孔目哺乳动物(像鸭嘴兽)和有哺乳动物(像考拉和鼠)。

But unlike snakes and other animals that use venom primarily for predation and defence, the platypus uses its venom for a different reason.

但与蛇和其他主要利用毒液捕食及防御动物不同，鸭嘴兽使用毒液另有他因。

One review said, I wanted a duck, otter, and beaver bundle, but the duck-billed platypus not what I ordered.

一篇评论说，我想要一只鸭子、水獭和海狸皮，但是鸭嘴兽不是我点。

Those animals include koalas and platypus.

这些动物包括考拉和鸭嘴兽。

Some of which are very similar to those snake venoms, but others which are unique to platypuses.

其中一些（毒液成分）是与蛇类毒液非常相似，但另一些（毒液成分）却是鸭嘴兽独有。

Only male platypus have venom glands in a spur on their feet to deliver the venom.

只有雄鸭嘴兽在脚部骨刺上有毒腺，分泌毒液。

But the platypus has five, which more closely resemble a bird's.

但是鸭嘴兽有五个，更像鸟类。

Jellyfish, amphibians, owls, and even platypus' glow under ultraviolet light.

水母、两栖动物、猫头鹰， 甚至鸭嘴兽在紫外线下都会发光。

Never had he wished so much to be a duck-billed platypus.

他从未如此渴望成一只鸭嘴兽。

Wow, platypuses, how can I ever repay you?

哇，鸭嘴兽们，我该如何报答你们呢？

I could say, " There are many animals that lay eggs. E.g. chickens or hens, ducks -- I think platypuses, although I'm not exactly sure about that one -- snakes, alligators, other birds, ostriches." So I used " e.g." to show these are examples.

我可以说，“有很多动物会下蛋。例如：鸡、鸭——我认鸭嘴兽也会下蛋，虽然我不太确定——蛇、短吻鳄、其他鸟类、鸵鸟”。所以我用了“例如”来表示这些都是例子。

What Huang and his team found, looking at that collection of hearts, is that the proportion of polyploid cells in a heart goes up as you go from fish to lizards to amphibians to transitional species like platypuses, to mammals.

黄和他团队发现， 通过观察脏集合，脏中多倍体细胞比例随着你从鱼类到蜥蜴到两栖动物到鸭嘴兽等过渡物种再到哺乳动物而上升。