| 单词 | Precambrian |
| 释义 | Precambrian Precambrian /ˌpriːˈkæm.bri.ən/ adjective ► F0 from or referring to the earliest period of geological time, between about 4,600 and 543 million years ago, from when the Earth was formed until the first simple forms of life appeared: » the Precambrian era/period» Precambrian rocksThesaurus+: ↑Geology - general wordsthe Precambrian noun [S] ► F0 the Precambrian periodThesaurus+: ↑Geology - general words |
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