Continuous current dynamo
[电] 直流电机
🧩 词语组成解析
🗣️ 情景例句
The pleasure is all mine.
这是我的荣幸。
Children learn to creep ere they can go.
孩子要走路，先得学爬行。
After entering the narrow gap on the plateau, they climbed down the steep sides of the cave until they came to narrow corridor.
他们从高原上的窄缝进去，顺着笔直陡峭的洞壁往下爬。来到一条狭窄的走廊上。