Duotriode
[电] 双极
🗣️ 情景例句
Yes, but I threw them back.
钓到了，但我把它们放回去了。
If you have cows you have to get up early to do the milking.
如果你有奶牛，你不得不早起挤奶。
Nigel is our new next-door neighbour.He's a pilot.
奈杰尔是我们新搬来的隔壁邻居。他是个飞行员。