Quadratron
热阴极四极管
🗣️ 情景例句
I moonlight as a reporter.
我兼职当记者。
I am old enough to make up my own mind.
我已经长大了，可以自己拿主意了。
You might get burnt and you might drop the pan of burning oil.
否则，你可能 被烧伤，也可能把起火的油锅扔掉。