实用英语：鼻屎是神马？

　　嘿，把你的手指拿出来！别再抠了，我们一起来研究一下这些小东西。没错，我们要说的正是鼻屎！　

　　whats a booger? 鼻屎是神马？

　　Hey, get your finger outta there! Instead of picking them out, lets learn about those little blobs. Yeah, were talking about boogers.

　　嘿，把你的手指拿出来！别再抠了，我们一起来研究一下这些小东西。没错，我们要说的正是鼻屎！

　　To understand what boogers are, you need to know about mucus. Mucus is the sticky, slimy stuff thats made inside your nose. You may have another name for nose mucus: snot. Your nose and sinuses make about 1 liter of snot every day.

　　要了解鼻屎，我们就要先来认识黏液。黏液是我们鼻子里黏稠又粘滑的液体，你也可以叫它鼻涕。你的鼻子和鼻窦每天要分泌出大概一升的鼻涕。

　　Mucus has a pretty important job it protects the lungs. When you breathe in air through your nose, it contains lots of tiny things, like dust, dirt, germs, and pollen. If these made it all the way to the lungs, the lungs could get infected, making it tough to breathe. Luckily, snot helps trap this stuff, keeping it in the nose and out of the lungs.

　　鼻涕有个非常重要的作用，就是保护我们的肺。当我们平时用鼻子呼吸的时候，会吸入空气中的很多杂质，比如灰尘、尘土、细菌、花粉等。如果这些杂质直接进入到我们的肺里，那么肺就可能受到感染，使呼吸困难。幸亏，我们有鼻涕，鼻涕可以把杂质隔绝出肺而留在我们的鼻子里。

　　After this stuff gets stuck inside the nose, the mucus surrounds it and some of the tiny hairs inside the nose called cilia. When the mucus, dirt and other debris dry and clump together, youre left with a booger.

　　这些留在鼻子里的杂质会被鼻涕和鼻毛给包住。鼻毛就是鼻子里的那些细小毛发。当鼻涕、灰尘和其他杂质变干后，结块了，就成了鼻屎。

　　Boogers can be squishy and slimy or tough. Everybody gets them, so theyre not a big deal. In fact, boogers are a sign that your nose is working the way it should!

　　鼻屎可以是湿软的，也可以是粘滑的，或者硬邦邦的。每个人都有鼻屎，这没什么大不了。事实是，如果你有鼻屎，那说明你的鼻子在正常工作！

　　词汇总结：

　　鼻屎：booger

　　鼻子：nose

　　鼻涕：mucus或snot

　　鼻窦：sinuses

　　鼻毛：cilia

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