单词：pendulums
音标：[ˈpendjuləmz] ；
n. 摆, 钟摆( pendulum的名词复数 ); 摇摆不定的事态（或局面）
pl. of Pendulum
单词：pendulums 相关文章
When assembled, Michell's apparatus looked like nothing so much as an eighteenth-century version of a Nautilus weight-training machine. It incorporated weights, counterweights, pendulums, shafts, and torsion wires. 装配完毕以后，米歇尔的仪器
发表于:2019-01-29 / 阅读(210) / 评论(0)
万物简史
万物简史