你知道医学使用的麻醉剂“笑气”(一氧化二氮)吗?它是一个“小捣蛋”——汉佛莱·戴维的发明。1778年,戴维出生在英国一个木刻匠家里。小时候的戴维很淘气。他对学校里的功课不感兴趣,经常逃课到河边钓鱼。他衣服的两个口袋,常常一个装着钓鱼的器械,另一个装着各种玩具。戴维的老师柯里顿喜欢揪不听话学生的耳朵,戴维就经常被揪。有一次,柯里顿看见戴维的耳朵上粘了一大块胶泥,就问他是怎么回 Do you know the drug “naughty gas” (nitrous oxide) used in medicine? It is a “small trick” - the invention of Hanfrey Levy. In 1778, David was born in a woodcutter home in England. David is a child when naughty. He was not interested in homework at school and skipped classes to the river for fishing. Two pockets of his clothes, often one with fishing equipment, and the other with various toys. David’s teacher, Curiton, likes to disobey the student’s ear and David is often pulled. Once, when Curiton saw that David had a large piece of clay on his ear, he asked how he was back