Posiode
正温度系数热敏电阻
🗣️ 情景例句
That's right. What should we do when we find a shortage in the shipment?
这很对。要是我们发现货物短缺，该怎么办？
I finished working at 5:30 and went home.
我在5:30完成了工作并且回家。
A few hours earlier, someone had told the police that thieves would try to steal the diamonds.
数小时以前，有人向警方报告，说有人企图偷走这些钻石。