1. Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金.
2. But a single optical fiber with a diameter of less than half a millimeter can carry more information than a large cable made of copper wires. 但是单单一根直径小于半毫米的光纤电缆就可以比由铜丝制成的粗电缆负载更多的信息。
3. When Fleming arrived the next morning, he saw that the plate had gathered mould during the night. 第二天,他来到试验室,发现盘子在夜间生了霉菌。
4. The actual figure was made of copper supported by a metal framework which had been especially constructed by Eiffel. 这座雕像的主体是用铜制成的,由艾菲尔特制的金属框架支撑着。
5. Her eyes were fixed on her plate and in a short time, she was busy eating. 她的眼睛盯着自己的盘子,不一会儿就忙着吃起来了。
6. He transferred the mould to a clean plate and let it grow for two weeks. 于是他很快把霉菌移到了一只洁净的盘子里,让它生长了两个星期。
7. And the decks were soon covered with colourful rugs from Persia, silks from India, copper coffee pots, and beautiful handmade silverware. 一会儿工夫,甲板上就摆满了色彩斑斓的波斯地毯。印度丝绸。铜咖啡壶以及手工制作的漂亮的银器。
8. Despite a per person income of just $220 a year, all of the 300,000 lines Vietnam plans to add annually will be optical fiber with digital switching, rather than cheaper systems that send electrons over copper wires. 尽管越南人均年收入只有220美元,它计划每年增加的30万条线路将全部为有数字转换的光纤电缆,而不是那些以铜线传送电子信号的廉价系统。
9. As the grocery items moves along the conveyor belt, the checker passes each item over a glass plate in the counter top, making sure that the UPC symbols can be read by the laser beam under the glass. 食品杂货经传送带传到收款员跟前,收款员随即将每一物品搁在柜台上的一块玻璃板上一扫,好使板下的扫描机阅读条形码。
10. And he proceeded to pour a riverful of the salty black stuff on the china plate, right before my mother's shocked eyes. 接着他就当着我母亲吃惊的眼光,把 "一河浜" 这种咸乎乎、黑溜溜的东西倒到了瓷盆里。