信號(hào)與光之關(guān)系 light signal: 燈光信號(hào); 燈號(hào); 炮光信號(hào)signal light: 號(hào)志燈; 信號(hào)燈;指示燈; 訊號(hào)燈automatic signal light: 自動(dòng)信號(hào)燈automatic traffic signal light: 自動(dòng)紅綠燈braking signal light: 制動(dòng)信號(hào)燈下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯