longitudinal
英 [,l?n(d)??'tju?d?n(?)l; ,l??g?-]
美[,lɑnd??'tudnl]
- adj. 長度的，縱向的；經線的
英英釋意
- 1. of or relating to lines of longitude;
- "longitudinal reckoning by the navigator"
- 2. running lengthwise;
- "a thin longitudinal strip"
- "longitudinal measurements of the hull"
- 3. over an extended time;
- "a longitudinal study of twins"