What "s this regarding?"

这是关于哪方面的？

youdao

Wait . What ' s this ?

等等这是什么?。

youdao

S This is s. S, according to spectroscopy, 0 means that l equals zero.

这就是s的意义，在光谱学中，表示l等于。

youdao

The new testing and counseling campaign will start at a single location in each of South Africa's nine provinces this month.

VOA: special.2010.04.28

And it's this final movement of the simile, according to this ingenious argument by Geoffrey Hartman, that Hartman calls the counter-plot.

根据哈特曼灵巧的论点看来，这就是这个比喻最后的深意，他称之为反计。

耶鲁公开课 - 弥尔顿课程节选

So, I think it's this balance between working very hard and being involved in the greater community, I would say.

所以，一方面要努力学习，一方面要参与大型社会活动，我想，他们需要把握好平衡。

图书馆经常人很多 - SpeakingMax英语口语达人

See there's this guy who once told me it's not good to help strangers.

NPR: 'Low and Behold': A Post-Disaster New Orleans

He puts his hand out to shake your hand, and it's this wonderful warm grip.

CNN: From migrant worker to neurosurgeon

Ms. ALSOP: Well, it's this desire of the public to identify and really categorize people.

NPR: The Lasting Appeal of Orff's 'Carmina Burana'