So this is a little bit of math, a little formality, but is everyone okay with that?
这里只是稍微用了点数学符号,还有简单的公式,大家都听懂了吗
Was that loud enough so people could hear it? Did people hear that?
同学们都听清楚了吗,都听懂了吗
Any questions about that? Great.
所有人都听懂了吗?有什么问题吗?很好。
Anyone have a problem with that?
大家都听懂了吗?
That make sense to everybody?
大家都听懂了吗?
Everyone happy at this point?
大家都听懂了吗
Everyone see that?
大家听懂了吗
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