Acid bites into metals.
酸腐蚀金属物。
Battery acid had eroded the engine.
电池酸腐蚀了发动机。
Roses will not root in such acid soil.
玫瑰在这种酸性土壤中不会生根。
The lemon juice is very acidic, it can corrode metal if left on for too long.
柠檬汁非常酸，如果长时间接触金属会腐蚀它。
A strong acid like sulfuric acid can cause severe burns if it comes into contact with the skin.
像硫酸这样的强酸与皮肤接触会造成严重灼伤。
Vinegar is an organic acid commonly used in cooking to add flavor.
醋是一种常用的有机酸，常用于烹饪增添风味。
Carbonic acid is essential for the process of photosynthesis in plants.
碳酸对于植物的光合作用过程至关重要。
The stomach produces hydrochloric acid to help break down food.
胃分泌盐酸来帮助分解食物。
The pH scale ranges from 0 to 14, with 7 being neutral, below 7 is acidic, and above 7 is basic or alkaline. (pH值范围从0到14，7为中性，低于7为酸性，高于7为碱性。
Acids can react with bases to form salts and water, an example is the reaction between hydrochloric acid and sodium hydroxide.
酸可以与碱反应生成盐和水，比如氢氯酸和氢氧化钠的反应。
Acid rain is formed when pollutants react with water vapor in the atmosphere, lowering its pH.
酸雨是污染物与大气中的水蒸气反应，使雨水酸化形成的。
In chemistry,
acids often donate hydrogen ions (H+) in solution.
在化学中，酸通常在溶液中释放氢离子。
The use of baking soda as a natural remedy for indigestion involves neutralizing excess stomach acid.
小苏打作为一种天然的消化不良治疗方法，是因为它可以中和过多的胃酸。
Another set of systems can effectively support production not only in traditional areas such as antibodies, vaccines, recombinant proteins and blood products but also for emerging therapeutics like plasmids, viral vectors and nucleic acids.
另一套系统不仅可以有效支持抗体、疫苗、重组蛋白和血液制品等传统领域的生产，还可以有效支持质粒、病毒载体和核酸等新兴疗法的生产。
The company signed a Definitive Cooperation Agreement with Zhejiang Huayou Cobalt Co Ltd and PT Huali Nickel Indonesia on Friday to construct high-pressure acid leaching facilities that target 60,000 tons of nickel and around 5,000 tons of cobalt per annum in mixed hydroxide precipitate products, which can be further processed into electric vehicle batteries.
周五，该公司与浙江华友钴业有限公司和PT华利镍业印度尼西亚有限公司签署了最终合作协议，建设高压酸浸设施，目标是每年在混合氢氧化物沉淀产品中生产60000吨镍和约5000吨钴，这些产品可进一步加工成电动汽车电池。
The project will process limonite nickel ore from the Sorowako block and the high-pressure acid leaching facilities will be located in Malili, East Luwu, South Sulawesi, it said.
该项目将处理索罗瓦科区块的褐铁矿镍矿，高压酸浸设施将位于南苏拉威西岛东卢武的马利利。
"Chen Xuehua, chairman of Huayou, said the cooperation is another combination of Huayou Cobalt's world-leading, green and low-carbon high-pressure acid leaching technology, Indonesia rich nickel resource advantage and PT Vale's sustainable mining practices.
”华友董事长陈学华表示，此次合作是华友钴业全球领先、绿色低碳的高压酸浸技术、印尼丰富的镍资源优势和PT Vale可持续采矿实践的又一次结合。
This is why we opened last year a new phase of our Nanjing manufacturing base that can produce additional 180,000 tons annually of an important liquid component in animal feed, an essential amino acid called methionine," said Jean-Marc Dublanc, CEO of Adisseo.
这就是为什么我们去年在南京开设了一个新的生产基地，每年可以额外生产180000吨动物饲料中的一种重要液体成分，一种叫做甲硫氨酸的必需氨基酸，”Adisseo首席执行官Jean-Marc Dublanc说。
The two major bestsellers in China's biotech industry are hyaluronic acid and collagen.
中国生物技术行业最畅销的两款产品是透明质酸和胶原蛋白。
Hyaluronic acid is a natural substance found in eye and joint fluids and acts as a cushion and lubricant in the joints and other tissues.
透明质酸是一种存在于眼睛和关节液中的天然物质，在关节和其他组织中起到缓冲和润滑剂的作用。
Data from market research firm Frost & Sullivan showed that between 2017 and 2021, China's sales volume of hyaluronic acid raw material surged from 361.2 metric tons to 590.4 tons, with a compound annual growth rate of 13.1 percent.
市场研究公司Frost&Sullivan的数据显示，2017年至2021年间，中国透明质酸原料的销量从361.2公吨激增至590.4吨，年复合增长率为13.1%。
In 2021, China sold 82 percent of the world's hyaluronic acid raw material.
2021年，中国的透明质酸原料销量占全球的82%。
The government released a series of new guidelines last week to further optimize the prevention and control measures of the pandemic, and travel between provinces will no longer require negative nucleic acid test results.
政府上周发布了一系列新的指导方针，以进一步优化疫情的防控措施，各省之间的旅行将不再需要核酸检测结果呈阴性。