| 词汇 | step on it |
| 词源 | step on it. Speed it up. The expression is obviously a shorten- ing of step on the gas, which of course means to push down harder on a car’s gas pedal to make it go faster. The phrase dates back to the early days of the automobile. |
| 随便看 |
|
英语词源词典收录了13259条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。