caesium是什么意思_caesium的翻译_发音_同义词_用法_例句
英译中: caesium
中文含义:铯
英语词性:noun
美式音标:/ˈsiːziəm/
同义词:cesium
易混淆单词:sodium (钠)
双语例句:
1. Caesium is a soft, silvery-golden alkali metal with a melting point of 28.5 °C, which makes it one of only five metals that are liquid at or near room temperature.
铯是一种柔软的银色金属,熔点为28.5℃,这使它成为了仅有的五种在室温下或接近室温下是液态的金属之一。
2. Due to its high reactivity, caesium can ignite spontaneously in air or react explosively with water, making it a potential hazard in laboratory settings.
由于其高反应性,铯可以在空气中自燃或与水剧烈反应,因此在实验室中使用时可能会带来潜在的危险。
3. Caesium atomic clocks are used to define the international standard of time, and are accurate to within one second in 30 million years.
铯原子钟被用于定义国际时间标准,并且精确到30百万年内的一秒。