Quadratron
热阴极四极管
🗣️ 情景例句
I think New York has all the conveniences--
我觉得纽约具备了一切便利的条件
The waiter seems to be in a hurry to take our order.
侍者似乎匆匆忙忙拿我们的订单。
Open the window and air the room.
打开窗子，给房间通通风。