conductor

Salt water is a good conductor of electricity, which is why swimming in the ocean during a storm is dangerous.

(Chinese) 盐水是良好的电导体，这就是为什么在风暴期间在海里游泳很危险。

Aluminum is often used in cooking pans because it is an excellent thermal conductor.

(Chinese) 铝常用于烹饪锅，因为它是一种优良的热导体。

The conductor raised his baton, and the entire orchestra began to play the symphony.

(Chinese) 指挥举起指挥棒，整个管弦乐队开始演奏交响曲。

As a conductor, her job is to ensure that all the musicians are playing in perfect harmony.

(Chinese) 作为一名指挥，她的工作是确保所有音乐家都能完美和谐地演奏。