dost的用法和样例：
例句
- Let it be like this: I shall say to a girl, "please lower your jar so that I may drink; and if she answered, " Drink, and I will water your camels also ", that would be the girl whom thou dost intend for thy servant Isaac."
让事情象这样吧：我会对一个姑娘说：“请把你的水罐拿下来，好让我喝点水！如果她回答说：‘请喝吧，我还给你的骆驼也喝点水。’那她就是你预定要你的仆人以撒迎娶的姑娘。”
