If your dog food lacks key nutrients, he might eat poop.

Your dog might see others dogs eating poop.

您可能会看到别人的狗吃狗的船尾。

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So you actually want warm poop to fall from the sky?

那么你们真心希望天上降下热腾腾的便便

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We're just gonna get the poop out your hair.

我们会把你头发上的屎洗掉。

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Some dogs will simply eat poop to pass the time.

有些狗只会吃船尾，以打发时间。

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You should poop at least once per day under normal circumstances.

正常情况下，你每天至少应该大便一次。

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Interestingly, in most mammals, the contractions14 of intestinal muscles occur in all directions, but in wombats, the grooved15 tissue and irregular contractions shape the poop differently.

有趣的是，大多数哺乳动物的肠道肌肉都是向各个方向收缩，但是袋熊带纹路的肠道肌肉组织和不规则的收缩方式却将便便塑造成了不同的形状。

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Now that the mystery of how bare-nosed wombats produce cubical poop seems to have been solved, that only leaves the 'why'.

毛鼻袋熊拉出方形便便的谜题既然已经解开，现在只剩下一个问题：为什么袋熊要拉方形便便？

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One states that because wombats pick up their poop and stack it as a way of communicating between them, the cubicle16 shape helps them build higher poop towers.

其中一种理论指出，因为袋熊会捡拾自己的便便堆起来，以这种方式来和同类交流，立方体形状有助于它们将便便堆成“高塔”。

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And it has all been because of their poop.

这都是因为它们拉的便便。

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You see, bare-nosed wombats have the unique ability to produce up to 100 distinctive5, cuboid pieces of poop every day.

要知道，毛鼻袋熊拥有一项独特能力，每天都能拉多达100个与众不同的立方体便便。

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And a handy window into the gut is poop.

进入肠道的便利方法是大便。

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Which means that gut microbes may hold the secret to extending that workout — without getting pooped.

这意味着肠道微生物可能掌握着延长锻炼时间且不会精疲力竭的秘密。

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Yeah, and I'm-I'm gonna take this, you know, so that the rats don't poop in it.

对了，我要把这个带走，以防老鼠在里面拉屎。

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We have been working hard to open up this new bandwidth.

我们一直在努力开辟新的带宽。

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Our class are working hard to make ours a good class.

我们班的同学都在努力工作以便是我们班成为优秀班。

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In his third month, he could not bear the suffering any longer. He went to see his teacher and said, "I've been working hard for so many days. Now would you please teach me some skills, or it'll be a waste of time for me to be here."

到了第三个月，他实在忍无可忍了，于是找到老道，对师傅说：“弟子操劳多日，请师傅传授弟子一些仙术，也不枉弟子在这里所受的辛苦。”

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In the third month, he could not bear the suffering any longer. He went to see his teacher and said, "I've been working hard for so many days. Now would you please teach me some skills, or it'll be a waste of time for me to be here."

到了第三个月，他实在忍无可忍了，于是找到老道，对师傅说：“弟子操劳多日，请师傅传授弟子一些仙术，也不妄弟子在这里所受的辛苦。”

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The famous singer is working hard for many good causes – the environment, poor children, and refugees2.

这位著名歌手在为包括环境、贫困儿童和难民等许多公益事业而努力工作。

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Inemuri is viewed as exhaustion3 from working hard and sacrificing sleep at night.

人们认为“日本眯”代表工作努力而疲累，晚上牺牲了睡眠时间。

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You need to steady yourself and make sure you keep working hard!

你需要稳住自己，继续坚持努力学习。

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