1、tropic的例句是：用作名词(n.)The outside temperature in countries outside the Tropic belt is too volatile and too cold to allow the tree to develop.在这条回归线带外边的国家的室外温度太易变并且太冷不能允许树生长。2、tropic的意思是n.回归线；热带；adj.热带的。3、tropic的读音是英['trɒpɪk]；美['trɑːpɪk]。