| 单词 | sierra |
| 释义 | Word Frequency sierra(sɪˈɛərə) noun a range of mountains with jagged peaks, esp in Spain or America Derived forms sierran (siˈerran) adjective Word origin C17: from Spanish, literally: saw, from Latin serra; see serrateWord Frequency Sierra(sɪˈɛərə) noun communications a code word for the letter s |
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