当我正在河边散步时我突然遇见我的数学老师的翻译：When I was walking by the River, I suddenly found my math teacher 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

When I was walking the river when I suddenly met my math teacher

When I was walking by the River, I suddenly found my math teacher

When my riverside is taking a walk I meet me suddenly mathematics teacher

As I was walking beside the river, suddenly I found my math teacher

When I was walking by the River, I suddenly found my math teacher