Transistor switching circuit
[计] 晶体管开关电路
🧩 词语组成解析
[计] 交换\\n[经] 转换, 调换, 调头
🗣️ 情景例句
What kind of business do you run?
你在经营一家什么样的公司？
This is our play road.
这里是我们游戏的地方。
Before they were replaced by steamships,
在蒸汽船取代帆船之前。