More alarmingly, we now know this has been case 更令人担忧的是 我们现在知道这种情况

357. Higher temperatures produce female hatchlings.
     较高的温度将孵化雌海龟
358. The temperature of the sand on Raine Island is now at a record high.
     雷恩岛的沙滩温度达到了有记录以来的最高值
359. So 99% of the turtles that hatch here are female.
     因此99%的幼龟为雌性
360. More alarmingly, we now know this has been case
     更令人担忧的是 我们现在知道这种情况
361. for at least the last 20 years.
     已经至少持续了20年
362. You do the maths.
     简单算一算
363. All females, no males. What's going to happen?
     全是雌性 没有雄性 会发生什么

来自《行星地球 第三季 第一集 Planet Earth S03E01 海岸》第 360 行