D-c generator
[电] 直流电机
🧩 词语组成解析
🗣️ 情景例句
Lots of wonderful memories.
留下的是许多美好的回忆。
The ox is never woe,till he to the harrow go.
挂耙去耕地，牛才知辛苦。
After his attempt, Campbell was disappointed to learn that his average speed had been 299 miles per hour.
比赛结束后，坎贝尔非常失望地得知他的平均时速是299英里。