一次在布鲁克林，我发现车里有一枚祖母绿钻戒，我记得那天帮一位女士拉了很多捆行李，所以我开回到她下车的地方，几乎花了两天时间才找到她，把戒指还给了她。

One time in Brooklyn, I found an emerald ring in my cab. I remembered helping a lady with a lot of bundles that day, so I went back to where I had dropped her off.

youdao

对于很多战士和家庭来说，过去战火未曾熄灭的十年中都不曾办法这枚奖章的做法是让人大惑不解的。

And it is puzzling to many soldiers and families why the military brass has been so sparing with this medal during the last decade of unceasing warfare.

youdao

完成的这个差不多是第150枚刀片，但我得承认还有很多我都忘了数。

This was probably the 150th blade, but I must admit I lost count.

youdao

Development of an artificial heart, again another example of Biomedical Engineering, is something that people have been trying to accomplish for decades now, and this is the closest that we've come and there are many advantages of this particular artificial heart.

人造心脏技术的发展,是生物医学工程的另一个例子,科学家们,试图在这二十年中去改进它,而这是最接近成功的一个实例,这枚人造心脏有很多优点

耶鲁公开课 - 生物医学工程探索课程节选