Lizards are desert specialists. 蜥蜴是沙漠专家

216. He doesn't have to waste time looking for mates -
     它不必浪费时间寻找配偶
217. they're his for the taking,
     它们都是它的妻子
218. so he can concentrate with them on keeping fit and healthy.
     所以它要做的只是保证它们健康精壮
219. Lizards are desert specialists.
     蜥蜴是沙漠专家
220. But here, their numbers are extraordinary.
     在这里 它们的数量多得惊人
221. These crevices in South Africa contain the highest density of lizards in the world.
     非洲南部的这些岩缝中 容纳着世界上最大的蜥蜴群
222. They're called flat lizards for obvious reasons,
     它们叫做扁石蜥——因为显而易见的原因

来自《行星地球 第一季 第五集 Planet Earth S01E05 沙漠》第 219 行