rooftree /'ru:ftri:/ 📖 中文释义 n. 栋梁, 屋 🔗 释义中的汉语词 📘 English Definition(英文释义) n a beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters ← rooftops R 字母词表 roofwalk →