| 单词 | 气压计 |
| 释义 | 〔hexane〕A colorless, flammable liquid, C6H 14, derived from the fractional distillation of petroleum and used as a solvent and as a working fluid in low-temperature thermometers. 己烷：一种无色可燃液体，C6H 14，从石油的分馏中提取，用作溶剂和低温度气压计中的工作流体 〔barograph〕A recording barometer.自动记录的气压计〔calibration〕the calibrations on a pressure gauge.气压计上的刻度〔statoscope〕A barometer for recording small variations in atmospheric pressure.灵敏气压计：记录大气压微小变化的气压计〔mercury〕Symbol Hg A silvery-white poisonous metallic element, liquid at room temperature and used in thermometers, barometers, vapor lamps, and batteries and in the preparation of chemical pesticides. Atomic number 80; atomic weight 200.59; melting point -38.87°C; boiling point 356.58°C; specific gravity 13.546 (at 20°C); valence 1, 2. Also called quicksilver See table at element 符号 Hg 水银，汞：一种银白色有毒金属元素，室温下呈液态，用于温度计、气压计、蒸气灯及电池中，也用于化学杀虫剂中。原子序数为80；原子量为200.59；熔点-38.87°C；沸点为356.58°C；比重为13.546（20°C时）；化合价为1,2 也作 quicksilver 参见 element〔weatherglass〕An instrument, such as a barometer, designed to indicate changes in atmospheric conditions.睛雨计，气压计，湿度计：用于显示大气状况变化的一种工具，如气压计〔barometer〕Abbr. bar.An instrument for measuring atmospheric pressure, used especially in weather forecasting.缩写 bar.气压表，气压计：测量大气压力的仪器，尤用于天气预报 |
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