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.
船的经度帮助水手们知道他们在海洋上东西方向的确切位置。