bottom feeder
名词 n.
英文释义
名词 n.
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A fish or other aquatic creature that feeds off the bottom of its habitat; a flatfish.
— The Apristurus genus, the second-most diverse group of sharks that counts about 40 species, is commonly known as the ghost or demon catshark. […] The sharks are bottom feeders and have elongated catlike eyes.
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A person who operates amidst or thrives on the unwholesome things in a society; one who takes advantage of the misfortune of others.
— “[T]he rise of Facebook, Twitter and other social media has made it harder to control the flow of information, thus making it easier for bottom-feeders to bully witnesses.” […] Officials are still trying to identify the bottom-feeder behind that account.
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数据来源: Wiktionary