1. 火线：最佳答案: L 火线(Live Wire)用红色或是棕色线N 零线(Naught wire)用蓝色或是白色线E 地线(Earth)用黄绿相间的线.
2. 活线：2.当了解插头(plug)的时候,我们必须学识三条电线,包括地线(earth line),活线(live wire)和中线(neutral wire),一般同学们都只是大概明白地线(earth line)是接地和为了安全(for safety),但其实怎样安全又不太清楚,
3. 火线;活线：火钳 tongs | 火线;活线 live wire | 火砖 fire brick
4. 活线;火线：751 、 活塞销 gudgeon pin | 752 、 活线;火线 live wire | 753 、 炮铜 gun metal
1. 精力充沛之人；生龙活虎之人
If you describe someone as a live wire, you mean that they are lively and energetic.
1. But A Tu was shocked to death in the incident, grabbing a live wire.
2. Li was fatally electrocuted by a live wire that had fallen into the water late Saturday afternoon.
noun
1. an alert and energetic person
Synonym: eager beaver busy bee sharpie sharpy