At the last lap John held him,and then began to pick up on him.
在最后一圈约翰追上了他,并开始超过他。
He has picked up on her.
他已同她熟悉起来。
英汉双解词典包含483723条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。