he may have been drifting on ocean currents for months. 可能已经在洋流中漂流了数月
..and they may not have eaten for weeks. 而且这些大青鲨可能已经几周没吃过东西了
It's just what these fish have been searching for. 这正是这群鱼一直在寻找的东西
Its fins have, in effect, become feet. 它的鳍实际上相当于脚
what hazards that little turtle would have to face 小海龟究竟要面对怎样的危险
At this stage, we think that we have to about 2050 现阶段 我们认为要到2050年左右
These machines have been shipped hundreds of miles 这些机器从千里之外的