| 单词 | firmament |
| 释义 | Word Frequency firmament(ˈfɜːməmənt) noun the expanse of the sky; heavens Derived forms firmamental (ˌfɜːməˈmɛntəl) adjective Word origin C13: from Late Latin firmāmentum sky (considered as fixed above the earth), from Latin: prop, support, from firmāre to make firm1 |
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