door knocker [dɔ: ˈnɔkə] un. 门环 [网络] 门跋;敲门者;敲门炮 door knocker [dɔ: ˈnɔkə] un. 门环 [网络] 门跋;敲门者;敲门炮 door knockerdoor knocker1.翻译:门环