longitudinal
🇺🇸
/ˌlɑːndʒəˈtuːdənl/
🇬🇧
/ˌlɒŋɡɪˈtjuːdənl/
running lengthwise or from top to bottom
The leaf has thin longitudinal veins that run from the base to the tip.
这片叶子有细长的纵向叶脉,从基部延伸到尖端。
studying something over a long period of time
The longitudinal research tracked children's development from birth to adulthood.
这项纵向研究追踪了儿童从出生到成年的发展过程。
related to longitude or east-west position
The ship's longitudinal coordinates helped determine its exact location at sea.
船舶的经度坐标帮助确定了其在海上的确切位置。