All major journeys of exploration to determine the true shape and nature of the globe were made in the past.

那些为决定地球的真实形状及其自然条件的主要探险行动已成为过去。

youdao

All major journeys of exploration to determine the true shape and nature of the globe were made in the past.

那些为决定地球的真实形状及其自然条件的主要探险行动已成为过去。

youdao