Doorknocker
n. 挨家挨户募捐(或征求选票)\\na. 挨家挨户募捐(或征求选票)的
✅ 同义词
🗣️ 情景例句
You should quit smoking, now!
你应该现在就戒烟！
Thank you for inviting me to speak at the dinner.
谢谢你邀请我共进晚餐。
Finally, turn off the lights and lock the door.
最后，关上灯，锁好门。