And also had blind evaluators-- people who didn't know which condition they were in, evaluate how they were walking.

还找来盲测员-,那些不了解情况的人，评估他们的走路。

哈佛公开课 - 幸福课课程节选

And we were walking through just as they were closing up

当他们快关门的时候，我们碰巧经过，

充满人情的地方 - SpeakingMax英语口语达人

And this one too, "I saw you walking around the CS50 Fair with a name tag that said you were in the class.

这个也是，“我看见你在CS50教室外面，胸前有一个姓名牌,说明你也在上这门课“

哈佛公开课 - 计算机科学课程节选

She was walking her dog. We were so excited.

她那时在遛狗。我们太兴奋了。

在超市购买的画 - SpeakingMax英语口语达人