Have you tried counting sheep?

你试过数羊的方法吗？

youdao

Have you ever seen a trained sheep in the circus?

你在马戏团里看见过羊吗？

youdao

Admiring the cute wooly creatures, she said to the shepherd, "If I can guess how many sheep you have, can I take one?"

她非常喜欢这些毛茸茸的可爱生物，于是她对牧羊人说：“如果我能猜出你总共有多少只羊，你是否能送我一只？”

youdao

If the sheep grows up in the right way, and people have shown that this will work, you can milk the sheep, the sheep has milk, the milk has insulin in it.

如果绵羊正常生长,人们已经证明这的确可行,你可以为绵羊挤奶,绵羊会产奶,而羊奶中有胰岛素

耶鲁公开课 - 生物医学工程探索课程节选