Varley
loop[电]华莱回路(一种用电桥比较电阻和测定故障位置的装置)
🗣️ 情景例句
May I ask who's calling?
请问你是谁？
Our product is lower priced than the competition.
我们产品价格低廉，具有竞争力。
His previous attempts had been unsuccessful.
他以前的尝试没有成功。