They all thrive in the tropical sun. 它们在炎炎烈日下茁壮成长

191. than the surrounding savanna.
     低三十度左右
192. Giant heathers, lobelias and groundsel
     巨型石南 半边莲和千里光
193. grow on its upper slopes.
     生长在山顶斜坡上
194. They all thrive in the tropical sun.
     它们在炎炎烈日下茁壮成长
195. After all, every day is summer.
     毕竟赤道每天都是夏天
196. But once the sun sets,
     但一旦太阳下山
197. every night becomes as bitterly cold as winter.
     每个夜晚都像冬天般寒冷

来自《行星地球 第二季 第二集 Planet Earth S02E02 山脉》第 194 行