时代在变化，科技在发展展，人类在进步，科技带给我们的好处越来越多，大大改变了我们的生活。
The times are changing, science and technology are developing, and mankind is making progress. Science and technology has brought us more and more benefits, which has greatly changed our lives.
记得奶奶说过，小时候做饭用的是土灶、柴火，经常把饭烧糊，把菜烧的冒烟，厨房到处都是柴灰，非常烦恼，而且很脏。我们现在用电饭煲、煤气灶，做出来的饭菜多干净卫生，香甜可口呀!
I remember grandma said that when I was a child, I used earth stove and firewood to cook. I often burned the rice and smoked the vegetables. The kitchen was full of firewood ash, which was very troublesome and dirty. Now we use electric rice cookers and gas stoves. How clean, hygienic, sweet and delicious the food is!
记得爸爸说过，他小时候家里没有电话，与远方的亲人联系，只能大老远坐火车过来看，没有时间见面，只能寄信，寄一封信至少得一周左右才能收到。现在我们的通讯多发达呀，我想和远方的亲人说话时，只需要打开QQ或微信，我们就能面对面的聊天了;要想买东西，可以在网上随心所欲的购物。
I remember my father said that when he was a child, he had no telephone at home and contacted his relatives far away. He had to come all the way by train. He had no time to meet. He had to send a letter. It took at least a week to receive a letter. Now how developed our communication is. When I want to talk to my relatives far away, I just need to open QQ or wechat, and we can chat face to face; If you want to buy someth
记得妈妈跟我说过，他小时候上课，夏天热得直冒汗，冬天冷得直打哆嗦。我们现在的生活多么幸福呀，我们只要打开空调就可以把夏天的炎热变得秋天一样凉爽，把寒冷的冬天变得春天一样温暖，生活的每一天，过的都很舒服。
I remember my mother told me that when he was a child, he was sweating in summer and shivering in winter. How happy our life is now. As long as we turn on the air conditioner, we can turn the heat of summer into as cool as autumn and the cold winter into as warm as spring. Every day of our life is very comfortable.
前两天我们学习了《纳米技术就在我们的身边》，让我大开眼界，纳米技术让我们的衣食住行和医疗保健发生了巨大的、令人吃惊的变化。科技给我们带来的生活变化真是太大了，我要好好学习，做一个对社会有贡献的人。
Two days ago, we learned nanotechnology is around us, which opened my eyes. Nanotechnology has made great and surprising changes in our clothing, food, housing, transportation and medical care. Technology has brought great changes to our lives. I want to study hard and be a person who contributes to the society.
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