doorknocker /'dɔ:,nɔk/ 📖 中文释义 n. 挨家挨户募捐(或征求选票)a. 挨家挨户募捐(或征求选票)的 🧩 词形变化 复数 doorknockers 📘 English Definition(英文释义) n. a device (usually metal and ornamental) attached by a hinge to a door ← doorknobs D 字母词表 doorknockers →