Posiode
正温度系数热敏电阻
🗣️ 情景例句
I don't know for sure.
我不太清楚。
Can I take you out to dinner? It'll be my treat.
我带你出去吃饭好吗？这次我请客。
I'll have to ask my boss first.
我必须先问一下我的老板。