cardioid receiving

例句：

1. 1. The heart's cardioid receives blood from the aorta.
   心脏的心脏接收器从主动脉接收血液。
2. 2. Cardiac receiving devices are used to monitor heart function.
   心脏接收装置用于监测心脏功能。
3. 3. The cardioid receives the signal and sends it back to the brain.
   心脏接收器接收信号并将其发送回大脑。