What Happened: After spending the day studying coal tar derivatives, Fahlberg left his Johns Hopkins laboratory and went to dinner.
经过：在一整天的煤焦油衍生物研究之后，发哈伯格离开了他的约翰·霍普金斯实验室去晚餐。
What Happened: After spending the day studying coal tar derivatives, Fahlberg left his Johns Hopkins laboratory and went to dinner.
经过：在一整天的煤焦油衍生物研究之后，发哈伯格离开了他的约翰·霍普金斯实验室去晚餐。
应用推荐