Then Houston, the control centre on the earth, called up and told me to use the tape to tape the bottom of the handrail and pull it off the telescope.

然后休斯顿，地球上的控制中心，打电话给我，让我用胶带把扶手的底部粘上，然后把它从望远镜上拉下来。

youdao

The bottom line is that you need to study, eat a good meal, sleep well on the eve of the test, and believe that your efforts will pay off.

底线是你需要在考试前夕学习，吃好饭，睡好觉，并相信你的努力会得到回报。

youdao

The light then bounces off the bottom mirror, and then bounces again off the underside of the top mirror.

这些光随后经底层镜子反射，又再次经顶层镜子底部反射。

youdao

STUDENT: -- want to be off the bottom branch.

学生：脱离最底层的分支。

麻省理工公开课 - 计算机科学及编程导论课程节选

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