than the surrounding savanna. 低三十度左右

188. This is Africa's Mount Kenya.
     这是非洲的肯尼亚山
189. It's 17,000 feet high,
     海拔超过五千米
190. which makes its summit some 30 degrees colder
     峰顶温度比周围的热带草原
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

来自《行星地球 第二季 第二集 Planet Earth S02E02 山脉》第 191 行