是关于“一带一路”的。你有听说过吗？

It's about the Belt and Road. Have you heard anything about that?

youdao

你有没有听说过有一类树木是陆地动物和海洋动物的栖息地？

Have you ever heard of the trees that are homes to animals both on land and sea?

youdao

你有听说过冥想的好处并且试过么？

You've heard of all the benefits to meditating but have you ever given it a try?

youdao

For some of you that haven't I'll just say that it's a protein, it's 238 amino acids, which means that it's about 1,000, actually more than 1,000 atoms in size, and this protein is fluorescent.

对于那些没听说过的人,我要说它是一种蛋白质，它有238个氨基酸，也就意味着它有约1000个，实际上是超过1000个原子，这种蛋白质是有萤光的。

麻省理工公开课 - 化学原理课程节选

William James Now you may have heard of William James-- his name is after the building here.

你们可能听说过-,这里有幢大楼以他命名。

哈佛公开课 - 幸福课课程节选

One of the differences in stem cell populations that you will hear about is you hear about embryonic stem cells and you hear about adult stem cells.

干细胞之间的一个区别,你可能听说过的,那就是既有胚胎干细胞,也有成人干细胞

耶鲁公开课 - 生物医学工程探索课程节选