Motordynamo
电动发电机; 电动机发电机组
🗣️ 情景例句
And you didn't exercise?
你没有参加健身操？
Two things doth prolong your life: a quiet heart and a loving wife.
心情平静妻贤淑，延年益寿多得福。
they aroused great interest at the time, they had important theoretical consequences,
这些观察在当时引起了人们极大的兴趣，具有重要的理论意义，