ule /'ju:l/ 📖 中文释义 [医][牙]龈 📘 English Definition(英文释义) n. A Mexican and Central American tree (Castilloa elastica and C.Markhamiana) related to the breadfruit tree. Its milky juice containscaoutchouc. Called also ule tree. ← uldz U 字母词表 ule- →