后来，大约在公元前7000年，在几代人的时间里，他们突然转向放牧家养的山羊和绵羊，转而种植单粒小麦、豆类和其他谷类牧草。

Then, about 7000 B.C., within the space of a few generations, they switched abruptly to herding domesticated goats and sheep and to growing einkorn, pulses, and other cereal grasses.

youdao

在20年的绝大部分时间里，我一直在撰写和谈论太空飞行，突然将兴趣转向海洋深处，确实显得很奇怪。

As I have been writing and talking about space flight for the best part of 20 years, a sudden switch of interest to the depth of the sea does seem peculiar.

youdao

请你不要荒废了这个圣诞节，是到了你转向神的时间了。

Don't waste this Christmas. It's time for you to turn to God.

youdao

So, I want to turn to that topic and spend oh, probably the better part of a lecture or so.

我想转向这个话题,用讲座的大部分时间。

耶鲁公开课 - 死亡课程节选