柯林斯詞典longitudinal /?l?nd???tju?d?n?l/ 1. ADJ A longitudinal line or structure goes from one end of an object to the other rather than across it from side to side. 縱向的[ADJ n] 返回 longitudinal劍橋詞典used to refer to lines or distances east or west of an imaginary line between the North Pole and the South Pole 經(jīng)線的 Longitudinal lines run from north to south . 經(jīng)線的方向是由北至南。 medical in the long direction of the body or of any body part （身體或身體部分）縱向的 a longitudinal rash 縱向皮疹 medical, social sciences Longitudinal research is done on people or groups over a long period of time . 縱向研究，縱貫研究 longitudinal analysis /studies 縱向分析／研究 返回 longitudinal