例句與造句

1. According to some authors, the Caledonian continental collisions involved another microcontinent, Euramerica, Laurussia or Old Red Continent ) and Armorica is called the Rheic Ocean.
2. At that time there was a shallow sea in this region that was bounded in the north by the Old Red Continent and in the south by the island structures of the Central German Uplands.
3. It's difficult to find old red continent in a sentence. 用old red continent造句挺難的