3.It was created by a French chemist, Angelo Mariani, in 1863.
它是由法国化学家安吉洛·马里亚尼于1863年创造的。
4.I am a chemist by education.
我是学化学的。
5.Later this discovery of the sunspot activity was made by one of the most patient observers in the history of science, a German chemist, Charles Schwabe.
后来,科学史上最耐心的观察者之一,德国化学家Charles Schwabe发现了太阳黑子活动。
6.The "coca" in the name referred to the extracts of coca leaf that the drink's originator, chemist John Pemberton, mixed with his sugary syrup.