-
In 1856, William Perkin, an 18-year-old science student, noticed something strange while doing an experiment.
1856年,18岁的理科生威廉·珀金在做实验时注意到一些奇怪的事情。
youdao
-
In 1856, William Perkin, an 18-year-old science student, noticed something strange while doing an experiment.
1856年,18岁的理科生威廉·珀金在做实验时注意到一些奇怪的事情。
youdao