Modulometer
调制计
🗣️ 情景例句
Do you have any friends in the import or export field?
你有在进出口领域工作的朋友吗？
It's hopeless!
这下没指望了！
Once he had done this, he had been able to turn on the supply.
一旦他接上了接头，他就能够打开供气阀。