新倮标人教版课件系列 《高中英语》 必修5-213
新课标人教版课件系列 《高中英语》 必修5-2.13
Talking
What will you think of next?
What will you think of next?
Thomas edison invented the electric bulb after thousands of unsuccessful experiments
Thomas Edison invented the electric bulb after thousands of unsuccessful experiments
James Watt steamer By watching how the steam raised the lid, Watt improved the steam engine
By watching how the steam raised the lid, Watt improved the steam engine. James Watt steamer