North America is connected with South America by the Isthmus of Panama.巴拿马海峡把北美同南美连接起来.The north and south of the island are linked by a narrow isthmus.岛的北部和南部由一条狭窄的地峡相连.It was the neck of land which we call the Isthmus ...
It was the neck of land which we call the Isthmus of Panama.这个陆地的狭窄地带,我们称之为巴拿马地峡.North America is connected with South America by the Isthmus of Panama.巴拿马海峡把北美同南美连接起来....the Isthmus of Panama.巴拿马地峡The north and south of...
赤道把地球划分成为两个半球.The equator divides the earth into two hemispheres.冷水可以涌开或者可以平流到冬半球.Cold water may be upwelled or may be advected into the winter hemisphere.以小脑半球白质受累最为严重, 但其灰质核团未见受累.Cerebellar white - matter was severely ...