During ga research experiment a marine biologist placed a shark into a large holding tank and then released several small bait fish into the tank.
在一个研究实验中，一个海洋生物学家把一条鲨鱼放进一个大的水箱中，然后投放了一些小的诱饵鱼进去。 。
During ga research experiment a marine biologist placed a shark into a large holding tank and then released several small bait fish into the tank.
在一个研究实验中，一个海洋生物学家把一条鲨鱼放进一个大的水箱中，然后投放了一些小的诱饵鱼进去。 。
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