but not all the elephants have been so lucky. 但是 并非所有的象都是那么幸运

250. The exhausted calf is still blinded by sand.
     疲惫不堪的小象仍旧看不清路 因为沙子蒙住了它的眼睛
251. Its mother does everything possible to help it.
     母象尽可能地去帮它一把
252. The storm is now subsiding,
     现在 风暴已经消退
253. but not all the elephants have been so lucky.
     但是 并非所有的象都是那么幸运
254. One youngster has got lost.
     一头小象迷了路
255. Thirsty and exhausted,
     尽管又渴又累
256. it follows the tracks of its mother,
     它仍追随着母亲的脚步

来自《行星地球 第一季 第一集 Planet Earth S01E01 从北极到南极》第 253 行