立即下載 Mozilla Firefox,體驗快速、自由地在網路中穿梭,並且享受成千上萬的擴充套件!
關閉關於此附加元件
Switch the current search engine on the fly! Press Control + Shift + Down Arrow to switch to the next search engine or Control + Shift + Up Arrow to select the previous one!
See it in action here
See it in action here