wǒ men / zài / wù lǐ / kè / shàng / xué xí / le / Jiā lì lüè / duì / zì yóu luò tǐ / yùn dòng / de / gòng xiàn我们在物理课上学习了伽利略对自由落体运动的贡献。In physics class, we learned about Galileo's contribution to the study of free-fall motion.