英语句子

上腭是你嘴巴顶部的结构，由骨头和柔软的组织组成。The palate is the roof of your mouth, made of bone and soft tissue.

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鼻窦是你头骨内部的小空腔。The sinus is a small, hollow space inside the bones of your head.

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The brain is the main control center inside your head.大脑是你头部里的主要指挥中心。

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动脉是把血液从心脏运送出去的粗壮血管。An artery is a thick blood vessel that carries blood away from the heart.

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心血管系统把血液输送到全身每个部位。The cardiovascular system sends blood to every part of the body.

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静脉把血液在送氧给器官后运回心脏。Veins carry blood back to the heart after it has given oxygen to the organs.

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生殖系统是让人类可以拥有宝宝的一组身体器官。The reproductive system is the group of body parts that lets people have babies.

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淋巴系统由细小的管道和叫做淋巴结的小器官组成。The lymphatic system is a network of thin tubes and small organs called lymph nodes.

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神经系统控制身体的感觉、动作和思考。The nervous system controls how the body feels, moves, and thinks.

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内分泌系统由许多分布在身体各处的小器官——腺体组成。The endocrine system is made up of small parts called glands that are found in different places in the body.

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The digestive system helps the body break down food so we can use its energy.消化系统帮助身体分解食物，让我们可以利用其中的能量。

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泌尿系统帮助身体排出废物和多余的水分。The urinary system helps the body remove waste and extra water.

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呼吸系统帮助人们吸入空气并为身体带来氧气。The respiratory system helps people breathe in air and get oxygen for the body.

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阑尾是一个小小的管状器官，挂在大肠起始部位。The appendix is a small, tube-shaped organ that hangs from the beginning of the large intestine.

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大肠是一根粗而宽的管道，位于腹部下方。The large intestine is a thick, wide tube found in the lower belly.

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