n a crushing remark
n an electric circuit that cuts off a receiver when the signal becomes weaker than the noise
v suppress or crush completely
v make a sucking sound
v walk through mud or mire
v to compress with violence, out of natural shape or condition
v. 发吧唧声, 发扑哧声( squelch的第三人称单数 ); <美>制止; 压制; 遏制