I'm usually very concerned when a rescue is happening. 每次救援时 我都很担心

251. on how the dolphins are moving through the dams and canals.
     河豚如何跨越水坝和运河的关键数据
252. But in order to tag, she will first need a successful rescue.
     但为了能够标记河豚 必须先有河豚得到救援
253. This is the plan for ou rescue today.
     这是我们今天的救援计划
254. I'm usually very concerned when a rescue is happening.
     每次救援时 我都很担心
255. Don't let water get in the blowhole
     别让水进到呼吸孔里
256. and don't squeeze too tight.
     也别挤压河豚
257. You know, the divers, they are very experienced,
     潜水员实际上经验丰富

来自《行星地球 第三季 第四集 Planet Earth S03E04 淡水》第 254 行