Kenopliotron
[电] 两极, 三极混合管
🗣️ 情景例句
We were exposed to the latest theories on child care.
我们接触过有关幻儿保育的最新理论。
Do you often study history on Saturday?
你常常在星期六学历史吗？
Sorry. It's at home. But you can buy one in the shop.
对不起，我的格尺在家里。你去商店里买一个吧。