plughole /ˈplʌghəʊl/ 📖 中文释义 n. 插孔, (压载水柜)放水孔, 密封采空区的密封孔道 🧩 词形变化 复数 plugholes 📘 English Definition(英文释义) n. a hole into which a plug fits (especially a hole where water drains away) ← pluggingchart P 字母词表 plugholes →