send channel

例句：

1. 1. The engineer sent a signal through the channel to the receiver.
   工程师通过通道向接收器发送信号。
2. 2. The team used a special channel to communicate with each other.
   团队使用一个特殊的通道来相互沟通。
3. 3.The scientist sent a sample of water through the channel for testing.
   科学家通过通道发送了水的样本进行测试。