| [/ˈtrɔpɪk; ˋtrɑpɪk/] n 用法:
1 [C usu sing 通常作单数] line of latitude 2327 north (the tropic of Cancer) or south (the tropic of Capricorn) of the equator 回归线（北纬2327之北回归线称the tropic of Cancer, 南纬2327之南回归线称the tropic of Capricorn）. =>illus at globe 见globe插图. 用法:
2 the tropics [pl] region between these two latitudes, with a hot climate 热带（地区）. |