来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/09/28 21:46:47
请问这里的upon doing是什么意思?
I was already running, and upon reaching the car across the street...
upon doing 是一个句型么?谢谢
upon doing...,也用 on doing...,是“一...就...”的意思.
如：On entering his room,he switched on his computer.
他一进入房间,他就开电脑.
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