在外出的时候，你可以骑自行车。

When you go out, you can ride a bicycle.

youdao

从她身后，好像他可以看透她的想法，本尼说道，“你什么时候想走都可以，夫人。”

From behind her, as if he could read her thoughts, Benny said, "You're free to go any time you like, Madame."

《柯林斯英汉双解大词典》

你可以预先调好暖气，使它在你需要的时候启动。

You can preset the radiators to come on when you need them to.

《牛津词典》

And in the end, when it's at equilibrium, and you look and you'd make a measurement, right, you could do spectroscopy.

当他处于平衡状态的时候，你可以做测量，比方说做光谱分析。

麻省理工公开课 - 热力学与动力学课程节选

so that when you graduate, you have something like that to put on your resume and actually get,

因此当你毕业的时候，你可以把类似的事情写到简历上，

再没时间也要挤出来 - SpeakingMax英语口语达人

You can stop me any time and you should not feel somehow you are stopping the progress of the class.

你可以在任何时候打断我,而且你不必担心,你的问题就会打断课堂的进程

耶鲁公开课 - 基础物理课程节选