relay

请把我刚才说的话转达给其他同事。

Please ___relay what I just said to the other colleagues.

我们班在运动会上的4x400米接力比赛中获得了第二名。

Our class came in second place in the 4x400m ___relay at the sports meet.

电路中的继电器在电流过大时会自动切断电源。

The ___relay in the circuit automatically cuts off the power when the current is too high.