earth conductor

例句：

1. 1. The earthconductor is essential for maintaining the electricalbalance in our planet.
   大地导体对于维护我们星球的电气平衡至关重要。
2. 2. The engineerused a special earth conductor to connectthe two circuits.
   工程师使用一种特殊的大地导体来连接两个电路。
3. 3. Theearth conductor was responsiblefor carrying the electricity from thepower station to the homes.
   大地导体负责将电力从发电站输送到家庭。