| 单词 | portland sand |
| 释义 | > as lemmasPortland sand Portland sand n. Geology a stratum of rock underlying the Portland limestone, above the Kimmeridge clay.extracted from Portlandn.< as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。