These sea gulls used to find food in the Bohai Bay sea area off Dalian city which was covered by heavy ice because of the cold weather.
这些海鸥过去是在大连市渤海湾海域觅食。因为最近低温天气，海面覆盖厚厚的冰层，所以它们才转移觅食地。
Therefore, this paper is making general assessment of tanker's oil spill in the sea area of Dalian Xin 'gang.
为此，本文对大连新港海区油船溢油风险总体评价进行初步探讨。
Therefore, this paper is making general assessment of tanker's oil spill in the sea area of Dalian Xin 'gang.
为此，本文对大连新港海区油船溢油风险总体评价进行初步探讨。
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