回首来时，突然觉得，我们好像爬山登了顶，一种成就感油然而生；

Look back comes when, feels suddenly, we seem to climb a mountain climb top, a kind of achievability spontaneous;

youdao

回首来时，突然觉得，我们好像爬山登了顶，一种成就感油然而生；

Look back comes when, feels suddenly, we seem to climb a mountain climb top, a kind of achievability spontaneous;

youdao