smelt
简明释义
vt. 熔炼，冶炼；精炼
n. 香鱼；胡瓜鱼
vi. 熔炼，精炼
v. 闻（smell 的过去式和过去分词）
复 数 s m e l t 或 s m e l t s
第 三 人 称 单 数 s m e l t s
现 在 分 词 s m e l t i n g
过 去 式 s m e l t e d
过 去 分 词 s m e l t e d
英英释义
To melt or fuse (a substance) in order to separate the metal from its ore. | 熔化或融合（物质），以便从矿石中分离金属。 |
To extract a metal from its ore by a process involving heating and melting. | 通过加热和熔化的过程从矿石中提取金属。 |
单词用法
有…的气味；闻出…的味道 | |
闻起来香 |
同义词
反义词
| 冻结 | Water will freeze if the temperature drops below 0 degrees Celsius. | 如果温度降到0摄氏度以下，水会冻结。 | |
| 固化 | 熔融金属在冷却时会固化。 |
例句
1.He said that I was a pretty girl and my cooking smelt pretty great.
他说我是个漂亮姑娘，而且我的煮的菜闻起来相当棒。
2.The grassland smelt fresh and sweet after rain.
雨后的草原一片清香。
3.The room smelt strongly of polish.
那个房间里散发着浓浓的上光剂的气味。
我闻到了烟味！
5.I might never have heard that entrancing sound, or smelt that bewitching smell!
我可能从来没有听到过那种令人神魂颠倒的声音，或者闻到过那种迷人的气味！
6.State authorities have ordered cutbacks in deliveries of water from the delta because of the threat to endangered species such as salmon and smelt.
由于鲑鱼和胡瓜鱼这些濒危物种受到威胁，国家当局已经要求消减从该三角洲往外输水的量。
7.The butcher smelt her fragrance.
屠夫她闻到了柳条女人的香味。
8.As the roast meat smelt so good, Gretel thought: "Something might be wrong, it ought to be tasted!"
烤肉闻起来很香，格蕾特想：“可能有什么不对劲，应该尝一尝！”
9.Then there is the in-store bakery, which can be smelt before it is seen.
然后是商店内的面包房，你在看到它们之前就可以首先闻到味道。
10.They learned how to smelt copper from its ore in chemistry class.
他们在化学课上学习如何从矿石中冶炼铜。
11.The blacksmith will smelt the iron ore to create tools.
铁匠将冶炼铁矿石以制造工具。
12.He watched as they smelted the gold to make jewelry.
他观看他们如何冶炼黄金来制作珠宝。
13.The factory uses a furnace to smelt metal for manufacturing.
工厂使用炉子来冶炼金属以进行制造。
14.To produce aluminum, we need to smelt bauxite at high temperatures.
为了生产铝，我们需要在高温下冶炼铝土矿。
作文
The process of extracting metal from its ore is known as smelting. This ancient technique has been used for thousands of years and is still crucial in the production of metals today. Smelting involves heating the ore to a high temperature, which allows the metal to be separated from impurities and other materials. This transformation is not only fascinating from a scientific perspective but also essential for various industries, including construction, electronics, and automotive manufacturing.Historically, smelting was one of the key developments that propelled human civilization forward. The ability to extract metals like copper, bronze, and iron marked significant advancements in tools and technology. These metals enabled our ancestors to create stronger weapons, better farming tools, and intricate art pieces. For example, the Bronze Age, which began around 3300 BC, was characterized by the use of copper and tin to create bronze, a much more durable material than stone.In modern times, the smelting process has become more sophisticated, employing advanced technologies to improve efficiency and reduce environmental impact. Today, smelters use various methods, including pyrometallurgy and hydrometallurgy, to extract metals. Pyrometallurgy involves using heat to extract metals, while hydrometallurgy uses aqueous solutions to dissolve ores and recover metals. Both methods have their advantages and challenges, depending on the type of ore being processed.One of the most significant challenges in the smelting industry is managing emissions and waste. Traditional smelting processes can release harmful gases and pollutants into the atmosphere, contributing to air pollution and climate change. As a result, many companies are investing in cleaner technologies and practices to minimize their environmental footprint. Innovations such as electric arc furnaces and oxygen-enriched combustion are helping to reduce emissions and improve energy efficiency.Moreover, the recycling of metals has become an integral part of the smelting process. With the increasing demand for metals and the finite nature of natural resources, recycling has emerged as a sustainable solution. Companies can collect scrap metal and reprocess it through smelting, significantly reducing the need for mining new ores. This not only conserves natural resources but also lowers energy consumption and greenhouse gas emissions associated with primary metal production.In conclusion, smelting is a vital process that has shaped human history and continues to play a crucial role in modern society. Understanding the intricacies of smelting helps us appreciate the importance of metals in our daily lives and the need for sustainable practices in their production. As we move forward, finding a balance between industrial growth and environmental stewardship will be essential for the future of the smelting industry and the planet as a whole.
提取金属的过程被称为冶炼。这一古老的技术已经使用了数千年，并且在今天的金属生产中仍然至关重要。冶炼涉及将矿石加热到高温，这样可以将金属与杂质和其他材料分离。这种转变不仅从科学的角度看令人着迷，而且对建筑、电子和汽车制造等各个行业都是必不可少的。历史上，冶炼是推动人类文明向前发展的关键发展之一。提取铜、青铜和铁等金属的能力标志着工具和技术的重大进步。这些金属使我们的祖先能够创造更强大的武器、更好的农具和精美的艺术品。例如，公元前3300年左右开始的青铜时代，以使用铜和锡制造青铜为特征，青铜是一种比石头更耐用的材料。在现代，冶炼过程变得更加复杂，采用先进的技术来提高效率并减少环境影响。如今，冶炼厂使用多种方法，包括火法冶金和湿法冶金，来提取金属。火法冶金涉及使用热量提取金属，而湿法冶金则使用水溶液溶解矿石并回收金属。根据所处理矿石的类型，这两种方法各有优缺点。在冶炼行业中，管理排放和废物是一个重大挑战。传统的冶炼过程可能会将有害气体和污染物释放到大气中，导致空气污染和气候变化。因此，许多公司正在投资于更清洁的技术和实践，以最小化其环境足迹。电弧炉和富氧燃烧等创新正在帮助减少排放并提高能效。此外，金属回收已成为冶炼过程的重要组成部分。随着对金属需求的增加和自然资源的有限性，回收已成为一种可持续的解决方案。公司可以收集废金属并通过冶炼进行再加工，从而显著减少对新矿石开采的需求。这不仅保护了自然资源，还降低了与原金属生产相关的能源消耗和温室气体排放。总之，冶炼是一个重要的过程，它塑造了人类历史，并继续在现代社会中发挥关键作用。理解冶炼的复杂性帮助我们欣赏金属在日常生活中的重要性以及在其生产中需要可持续实践。随着我们向前发展，在工业增长与环境管理之间找到平衡，对于冶炼行业和整个星球的未来至关重要。
