| 单词 | midgley, thomas, jr. |
| 释义 | Midgley, Thomas, Jr.Midgley, Thomas, Jr.(1889–1944) inventor, engineer; born in Beaver Falls, Pa. From 1916 to 1921 he worked at the Dayton Engineering Laboratories on the problem of engine "knocking"; he developed the use of tetra-ethyl lead as a gasoline additive and devised the octane number for rating gasoline. As president of the Ethyl Corp. from 1923, he introduced Freon 12 as a refrigerant. |
| 随便看 |
英语词典包含2567994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。