常見例句The device, called an Opticon, is similar to what firefighters use to change lights when they respond to emergencies. 上月末，警方發(fā)現(xiàn)尼尅姆使用一個(gè)類似頻閃燈的裝置來改變交通信號(hào)燈。City traffic engineer Joe Olson said traffic engineers plan to update the city's Opticon system this year to block unauthorized light-changing signals. 朗矇特市交通工程師奧爾森指出,他們計(jì)劃在今年更新該市的Opticon系統(tǒng),查処那些未經(jīng)許可擅自使用的改變信號(hào)燈裝置。 返回 opticon