The crabs are thought to have travelled to Europe from China in water taken on by ships as ballast. When the ballast water was emptied, the crabs were flushed out into European waters.
普遍认为这些螃蟹是从中国随着装船作压舱物的水带入了欧洲,压舱水被放出时,螃蟹也就被冲进了欧洲水域中。
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2020-09-15
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