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cambrian period的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
Noun:
-
from 544 million to about 500 million years ago; marine invertebrates
cambrian period的用法和樣例：
例句
- This is the first time in the study and mapping of the Cambrian in South China.
這種定量的巖相古地理圖在中國南方寒武紀還是首次出現。 - Internal genetic factors were also crucial in the Cambrian Explosion.
內部遺傳因素是還關(guān)鍵的在寒武紀爆炸。
