- Receptors in the snake's head pick up the heat given off by the flying bats,
位于头部的“热眼”能觉察到 飞行中的蝙蝠散发出的热量
- as this thermal image shows.
正如这幅热影像所示
- To the snakes the bats are apparently glowing
每一只蝙蝠在蛇“眼”前都是活灵活现
- and this gives them something to aim at.
这也给了它们瞄准目标的机会
- This is the price that these cave commuters must pay
这是洞栖动物必须付出的代价
- for their daytime sanctuary on the ground.
以换取它们白天在陆地上的庇护
- Small wonder then that there are other cave dwellers that stay put.
难怪其它洞穴生物 要终生居住在洞穴中
来自《行星地球 第一季 第四集 Planet Earth S01E04 洞穴》第 239 行