| 单词 | parts per million |
| 释义 | parts per million in British English (pɑːts pɜː ˈmɪlɪən) plural noun ▶ USAGE The abbreviation for parts per million is ppmthe number of units (of a substance) present in a million units of another substance The city's water supply was analysed and found to contain two parts per million offluoride. Examples of 'parts per million' in a sentence |
| 随便看 |
|
英语词典包含298861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。