petroski

petroski

美 　英

• 網絡佩特羅斯基

例句

According to Henry Petroski, Thoreau discovered how to make a good pencil out of inferior graphite by using clay as the binder;

據亨利·佩特羅斯基所說，梭羅發現了通過把粘土作為粘合劑用劣等石磨來制造一支上好的鉛筆。