Ordovician period

Ordovician period

美 　英

• un.奧陶紀

英漢解釋

un.

1. 奧陶紀

例句

The third period of the Paleozoic era, the Silurian follows the Ordovician period and precedes the Devonian.

志留紀是古生代的第三紀，繼奧陶紀之后，在泥盆紀之前。

paleo-landform; Jurassic Period; Ordovician Period; migration of oil and gas; distribution of oil and gas;

侵蝕不整合古地貌；侏羅紀；奧陶紀；油氣運移；油氣分布；