Duotriode
[电] 双极
🗣️ 情景例句
What about your arms? Lift your arms up like this.
你胳膊怎么样?手抬起来， 像这样。
I hope you believe me.
我希望你相信我。
When he had killed the guard, the prisoner of war quickly dragged him into the bushes.
那个战俘杀死卫兵以后，迅速地把尸体拖进了灌木丛。