doorsill /'dɒ:sil/ 📖 中文释义 n. 门槛 🔗 释义中的汉语词 门槛 📘 English Definition（英文释义） n. the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway ← doors D 字母词表 doorstead →