iron doorknocker 铁制门环
wooden doorknocker 木制敲门器
knock on the door 敲门
1. He lifted the heavy brass doorknocker to announce his arrival.
他举起沉重的黄铜门环以宣布他的到来。
2. The old mansion has an ornate iron doorknocker.
这座旧宅邸有一个华丽的铁制门环。
A: Did you hear that sound at the front door?
A：你听到前门那边有响声了吗？
B: Yes, someone is using the doorknocker.
B：是的，有人在用门环敲门。
1. 门环
2. 敲门器
1. 门环，敲门器
e.g.
A heavy iron doorknocker.
一个沉重的铁制门环。
noun
1. A device attached to a door that is used for knocking to signal presence.