If you are having trouble placing the IR blaster on the set-top box correctly, try using a flashlight to locate the signal receiver on the set-top box.是什么意思_If you are having trouble placing the IR blaster on the set-top box correctly, try using a flashlight to locate the signal receiver on the set-top box.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句