Before long, they are stopped in their tracks. 没过多久 他们便停下了脚步
..something that's never been witnessed before. 这样的举动是第一次被见证
the likes of which, to be honest, I've never seen before. 老实说 我从没见过这么大规模的农田
and warms up the cold air before it reaches his lungs. 又能将吸入的冷空气变温暖
he's still got a great number of hazards to face before he grows up. 在它长大之前 还有很多危险要面对
..drowning the developing turtles before they hatch. 淹死了那些还没孵化的海龟
..and they are changing faster than ever before in human history. 而且正以人类历史上前所未有的速度变化
..before the ice transforms this coast once again. 赶在这片海岸再次冰封之前
and they're doing so faster than ever before. 而且在以史无前例的速度变化着