the system of measurement based on the meter, the gram, and the liter as the basic units of length, weight, and volume
MEASURES the system of measuring the size, etc. of things based on measurements such as the metre or the kilogram:
英语词典包含110679条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。