James Watt invented the Spinning Jenny (珍妮纺纱机） 1785.
举一反三
- James Watt created a __in 1769. A: Spinning Mule B: Spinning Jenny C: Steam Engine D: power loom
- 18世纪60年代，织布工（ ）发明了“珍妮机（Spinning Jenny）”的手摇纺纱机。 A: 哈格里夫斯 B: 凯伊 C: 黄道婆 D: 特里维西克
- 57. James watt ____ the steam engine. A: was inventing B: invented C: had invented D: has invented
- James Watt （）the steam engine in 1796. A: discovered B: had discovered C: invented D: had invented
- 珍妮纺纱机提高了纺纱效率，第一次使纺纱速度超过了织布的速度。