查词历史：

dynamos doubly doubling

dynamos
生词本

  • 柯林斯高阶英汉双解学习词典

1. N-COUNT 发电机 A dynamo is a device that uses the movement of a machine or vehicle to produce electricity. 
2. N-COUNT 精力充沛的人 If you describe someone as a dynamo, you mean that they are very energetic and are always busy and active. 

  • Myles is a human dynamo.

    迈尔斯是个精力充沛的人。