British, American & Australian, informal, American & Australian, informal
something that you say to someone when you want them to drive more quickly.
Step on the gas, will you, we have to be there in five minutes!
英语词组固定搭配大全包含18674条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。