You can go online and sign up there but you're still shopping so we're not starting sections tonight.

你可以上网去注册一下,不过既然目前还在选课阶段,所以今天晚上我们不开始章节的讨论

耶鲁公开课 - 聆听音乐课程节选

So you just sign up to be on team of, you know, whoever you can gather. Your friends.

所以你只需报名参加，不管你能召集到谁。
可能是你的朋友们，你们组成一个队。

伯克利的水上运动 - SpeakingMax英语口语达人

Remember, you've got to keep track of the sign of acceleration, so if you're picking up speed towards the ground, a is negative, so it will be g plus a, but a is a negative number.

记住,一定要注意加速度的符号,所以当你加速下降的时候,a 是负的,还是 g 加上 a,但是 a 是负数

耶鲁公开课 - 基础物理课程节选