Regulex
磁饱和放大器
🗣️ 情景例句
That isn't necessary.
这倒不必。
I worked at the factory this afternoon.
我今天下午在工厂工作。
The temperature will stay above zero in the day-time, but at night it will fall below zero again.
白天气温保持在零度以上，但夜间仍会降至零下。