2. 职称英语
  3. The word horsepower was first used two hundred years ago. James Watt had made th

The word horsepower was first used two hundred years ago. James Watt had made th

游客2024-07-31  74
问题 The word horsepower was first used two hundred years ago. James Watt had made the world’s first (11) used steam engine. He had no way of telling people (12) how powerful it was, for at that time there were no units for measuring power. Watt decided to (13 [br]  
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答案 discovered
解析 意为“发现”，做谓语。
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