我意识到这个，是听我的主人说的，大概在1835年的时候，那时我大约十七岁。

I come to this, from hearing my master say, some time during 1835, I was about seventeen years old.

youdao

但是经济最多增长大约2.5%，这大概是长期潜在的增长率。

But at best the economy may be growing at around 2.5%, which is about its long-term potential growth rate.

youdao

这幅通过WISE看到的景象跨越了超过2度的角度，在遥远的蛇夫座rho星云处大约覆盖了大概14光年的距离。

This view from WISE spans almost 2 degrees and covers about 14 light-years at the estimated distance of the Rho Ophiuchi cloud.

youdao

Now Attica is, in fact, approximately 1,000 square miles, which I am told is about the size of Rhode Island, and that's the biggest polis of which we know.

阿提卡,事实上,大约一千平方英里,我听说大概和罗德岛差不多大,而这就是我们所知的最大的城邦

耶鲁公开课 - 古希腊历史简介课程节选