to help with others to get something done.
As soon as we knew what a big job it was, Gwen and I just pitched in with the rest of the group.
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。