解说：十六世纪葡萄牙航海家斐迪南德麦哲伦和他的全体船员们第一次环游世界时有大把的时间观察地球的南天空。

Explanation: The 16th century Portuguese navigator Ferdinand Magellan and his crew had plenty of time to study the southern sky during the first circumnavigation of planet Earth.

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解说：十六世纪葡萄牙航海家斐迪南德麦哲伦和他的全体船员们第一次环游世界时有大把的时间观察地球的南天空。

Explanation: The 16th century Portuguese navigator Ferdinand Magellan and his crew had plenty of time to study the southern sky during the first circumnavigation of planet Earth.

youdao