longitude
🇺🇸
/ˈlɑːndʒɪtuːd/
🇬🇧
/ˈlɒŋɡɪtjuːd/
how far east or west a place is from the Greenwich line, measured in degrees
The ship's longitude helped sailors know their exact position east or west on the ocean.
船的經度幫助水手們知道他們在海洋上東西方向的確切位置。