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cambrian period的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
from 544 million to about 500 million years ago; marine invertebrates
cambrian period的用法和样例：
例句
- This is the first time in the study and mapping of the Cambrian in South China.
这种定量的岩相古地理图在中国南方寒武纪还是首次出现。 - Internal genetic factors were also crucial in the Cambrian Explosion.
内部遗传因素是还关键的在寒武纪爆炸。
