| 释义 |
sig.nal WAVE5sIg7nEln [C]a series of electrical or radio waves which send a sound, picture or message（无线电、有线电）信号The air traffic controller received a signal from the aircraft.空中交通管制人员收到了飞机发出的信号。"The TV signal in our area isn't very strong." "Really? Our signal strength is excellent."“我们地区的电视信号不是很强。”“真的吗？我们的信号强度十分好。”
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