基本解释n.(鸟、兽等)位于上身的部分同根派生 upperpart相关词英汉例句It occurs in the upperpart of Lower Permian strata.It is composed of crystalline limestone with white-lighter gray-gray marble. 矿床主矿体赋存于下二叠统上部地层,主要岩性为结晶灰岩夹白色-浅灰-灰色大理岩。upperpart更多例句