1Phase shift.
2Chemistry a change of a substance from one phase to another, as the melting of a solid, the evaporation of a liquid, etc.
Late 19th century; earliest use found in Science.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。