Varister
变阻器; 可调电阻器
🗣️ 情景例句
You're much thinner since the last time I saw you.
你比我上次见你的时候瘦多了。
The black ox has trod on his foot.
祸事临头。
I looked at the map and then at the millimeter.
我看了看地图，又查了一下里程表。