| 单词 | 按体积 |
| 释义 | 〔nonalcoholic〕A beverage usually containing less than 0.5 percent alcohol by volume.不含酒精饮料：通常按体积计算含有少于百分之零点五酒精含量的饮料〔nitrogen〕A nonmetallic element that constitutes nearly four fifths of the air by volume, occurring as a colorless, odorless, almost inert diatomic gas, N2, in various minerals and in all proteins and used in a wide variety of important manufactures, including ammonia, nitric acid, TNT, and fertilizers. Atomic number 7; atomic weight 14.0067; melting point -209.86°C; boiling point -195.8°C; valence 3, 5. See table at element 氮：一种非金属元素，按体积计算约占空气的五分之四，是一种无色、无味几乎为惰性的双原子气体，N2，存在于各种矿物和所有的蛋白质中，广泛地运用于各种重要的生产中包括生产氨酸、硝酸、黄色炸药以及化肥。原子序数7；原子量14.0067；熔点-209.86°C；沸点-195.8°C；化合价3,5 参见 element〔oxygen〕A nonmetallic element constituting 21 percent of the atmosphere by volume that occurs as a diatomic gas, O2, and in many compounds such as water and iron ore. It combines with most elements, is essential for plant and animal respiration, and is required for nearly all combustion. Atomic number 8; atomic weight 15.9994; melting point -218.4°C; boiling point -183.0°C; gas density at 0°C 1.429 grams per liter; valence 2. See table at element 氧：一种非金属元素，按体积算占空气的21%，它是一种双原子气体O2，存在于许多化合物如水和铁矿物中。它与许多元素化合，对植物和动物呼吸是根本必需的，几乎所有的燃烧都要求有氧。原子序数是8；原子量是15.9994；熔点是-218.4°C；沸点是-183.0°C；气体密度是0°C时一升为1.429克； 原子价是2 参见 element |
| 随便看 |
英汉汉英双解词典收录301015条英汉双解翻译词条，可根据汉字查询相应的英文词汇，基本涵盖了全部常用汉字的英文读音、翻译及用法，是英语学习及翻译工作的有利工具。