写一篇介绍自己体育用品的英语作文，带翻译！！
写作思路：可以根据自己有什么体育用品来写，比如写自己的哑铃，把哑铃的特点描述清楚，再详细地介绍一下哑铃的作用，以及正确使用哑铃的方法等等。
正文：
I have a pair of dumb bells which were the birthday gift from my uncle. They are very heavy, each weighs 10 kg.
我有一双哑铃是我叔叔的生日礼物。他们很重，每个重10公斤。
Dumbbell is a simple equipment for muscle strength training. Its main material is cast iron, and some are coated with rubber. Dumbbell can train a single muscle; if you increase weight, it needs the coordination of multiple muscles, and it can also be used as a kind of muscle compound movement training.
哑铃是一种用于增强肌肉力量训练的简单器材。它的主要材料是铸铁，有的外包一层橡胶。哑铃可训练单一肌肉；如增加重量，则需多个肌肉的协调，也可作为一种肌肉复合动作训练。
It is used for muscle strength training and muscle compound movement training. Patients with low muscle strength due to motor paralysis, pain and long-term inactivity can use the weight of dumbbells to carry out active anti resistance exercise to train muscle strength.
它的用途是用于肌力训练，肌肉复合动作训练。因运动麻痹、疼痛、长期不活动等导致肌力低下的患者，手持哑铃，可利用哑铃的重量进行抗阻力主动运动，训练肌力。
Scientific use of dumbbells, can really receive good exercise results. Some materials say that Schwarzenegger's body-building muscles, mainly through dumbbell exercise. However, many people do not increase their strength or become healthy after exercising with dumbbells. They are often disheartened. Dumbbells are put on the shelf and even become substitutes for hammers.
科学地使用哑铃，确实可以收到很好的锻炼效果。有材料说，当年施瓦辛格一身健美的肌肉，主要就是通过哑铃锻炼而得。但是确有不少人用哑铃锻炼后，既没有增加力量，也没有变得健美，常会就此心灰意冷，哑铃也被束之高阁，甚至成为锤子的替代品。
As a matter of fact, dumbbell exercises are learned. If it is not implemented, the effect of exercise is often disappointed.
事实上，哑铃健身大有学问。如果不加以贯彻，锻炼效果往往会大失所望。
追答：
我有一双哑铃是我叔叔的生日礼物。他们很重，每个重10公斤。起初我很难离开他们，让他们做任何运动。我叔叔给了我这样一个沉重的一对哑铃的原因是他希望我能继续努力做运动让我保持健康的身体。现在，我可以自豪地告诉我叔叔和其他的朋友，我已经从中受益很多。我有一个极好的身体现在即使我只有14岁。
我有一双哑铃是我叔叔的生日礼物。他们很重，每个重10公斤。起初我很难离开他们，让他们做任何运动。我叔叔给了我这样一个沉重的一对哑铃的原因是他希望我能继续努力做运动让我保持健康的身体。现在，我可以自豪地告诉我叔叔和其他的朋友，我已经从中受益很多。我有一个极好的身体现在即使我只有14岁。
哑铃应该不行吧←_←
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