美 [laiv 'waɪɚ]
活力四溢的人：指非常活跃且充满活力的人。
live wire /laɪv/
可数名词 If you describe someone as a live wire, you mean that they are lively and energetic. 生龙活虎的人
an alert and energetic person
同义词： eager beaver / busy bee / sharpie / sharpy
载电线，火线
带电电线
有电线
... 安全措施 safety precaution 活线;火线 live wire 本征半导体 intrinsic semiconductor ...
... live load 活荷载；活载重 live wire 火线；带电电线 load 负荷；载重；荷载；负载量 ...
If you touch a live wire, you will get an electric shock.
如果触动电线，你会触电的。
She seems to have inexhaustible energy.; She's a live wire.
她仿佛有使不完的劲。
We can insulate a live wire with rubber.
我们可用橡胶使带电的电线绝缘。
The only live wire is Shakur, with his deep wariness of life, who has a couple of sprightly scenes that prod the picture awake.
During a four-hour interview at his home, Mattis--a restless, intense live wire of a man--doesn't sit down even once (nor does he offer his visitor a chair).
The roles of his fellow-elders are taken by, among others, Sigourney Weaver and Brendan Gleeson, while the younger generation is represented by Joaquin Phoenix and Bryce Dallas Howard the only live wire on the scene, and hence a considerable relief.