knocker的音标：knocker的英式发音音标为：['nɒkə(r)]knocker的美式发音音标为：['nɑkə(r)]...

knocker的复数形式为：knockers...

n.门环，吹毛求疵的人...

I felt loath to sully the gleaming brass knocker by handling it.我不愿意伸手去抓那闪亮的黄铜门环，怕把它弄脏。Number 30 has a red door and a brass knocker.30号有一扇红门和一幅铜门环.The knocker is oblong in shape, and of the kind our ancestors called " ja...