例句與造句

1. In 1751 he was a recipient of the Copley Medal " On account of his communicating to the Society, and exhibiting before them, his curious method of making Artificial Magnets without the use of Natural ones . " He was the first in England to verify Benjamin Franklin's hypothesis of the identity of lightning and electricity, and he made several important electrical discoveries.
2. Considered " one of the greatest unsung scientists of all time ", he was the first person known to propose the existence of black holes in publication, the first to suggest that earthquakes travel in waves, the first to explain how to manufacture artificial magnets, and the first to apply statistics to the study of the cosmos, recognizing that double stars were a product of mutual gravitation.
3. It's difficult to find artificial magnet in a sentence. 用artificial magnet造句挺難的