科学家同样也担心英国当地的蟹种的生存会受到打压，就像当年从美国引进灰松鼠导致英国本地的红松鼠几乎绝迹一样。
Scientists also fear native species of crab could be overwhelmed like the red squirrel, on the verge of extinction after being pushed out by greys from the US.
每到九十月份，这些来自长江河口的灰壳淡水蟹就挥舞着那巨大的毛钳子，被送进家庭厨房、高档饭店和奢华酒店。
Raised on crab farms in the Yangtze River estuary, the gray-shelled freshwater crab waves its big hairy claws in family kitchens, respectable restaurants and luxury hotels in September and October.
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