以介绍半导体为主题的英语作文

Along with being a "girl's best friend," diamonds also have remarkable1properties that could make them ideal semiconductors3. This is welcome news for electronicssemiconductors are needed to meet the rising demand for more efficient electronics that deliver and convert power. The thirst for electronics is unlikely to cease and almost every appliance or device requires a suite4of electronics that transfer, convert and control power. Now, researchers have taken an important step toward that technology with a new way to dope single crystals of diamonds, a crucial process for building electronic devices.

"We need the devices to manipulate the power in the way that we want," said Zhengqiang (Jack) Ma, an electrical and computer engineering professor at the University of Wisconsin-Madison. He and his colleagues describe their new method in the Journal of Applied5 Physics, from AIP Publishing.

我一直对收音机很迷恋，不仅仅是它曾经在我的少年时期给我带来无限的快乐，更重要的是它所传递的是一种特别难忘的声音，这种声音是我在生活中无法触及到的东西。

长方形，小小的黑色外壳，只要看上一眼，就能记住它的外形，这就是我最早见到的红灯牌收音机。至此，它所传递给我的是一种特别且难以忘记的声音，那“嚓啦嚓啦”的调台声以及主持人富有磁性的嗓音，每次忆起总是倍感亲切，且令人怀想。即便时隔多年，偶尔行走于静谧的小巷，当耳朵捕捉到那久违的声音时，我都会很驻足倾听。我一直认为收音机与生活相关，因为它丰富了我的生活。记得在那绵长炎热的夏季，邻居小雪家买了一台红灯牌收音机。小小的匣子，竟能传出美妙的声音，一下子就吸引了我们的目光。那时，每到下午一点钟光景，她哥哥就会躺在门前树下的藤椅上听收音机，脚高高地搁在板凳上，整个人窝在藤椅里，眯着眼悠闲地听着收音机里的流行歌曲。他开收音机有一个特点，就是音量开得老大，整条巷子都能听见。

那时，学校里正时兴唱流行歌曲，张行的《迟到》、朱明瑛的《彩云追月》、蔡琴的《南屏晚钟》等等。想学歌，首先要抄歌词。那时班上几乎大部分同学都有一本厚厚的歌词本，这歌词从哪来？完全是通过听来获得。除了有些歌是从广播里学到的，另一个途径就是收音机。