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food chain [英] [fu:d tʃeɪn] [美] [fud tʃen] [短语] 食物链 词频排名 15296/55435 学习人数 124 难度等级 2/10 认知比例 93.48% 例句 the lower reaches of the food chain 食物链的低等生物群 "This poses a threat to agriculture and the food chain, and consequently to human health." 这会对农业和食物链造成威胁,由此而危及人的健康。 a number of people want to move up the food chain 越来越多人想要走到食物链的顶端 助记 联想 rain 雨,chain n. 链,链子。food chain 食物链
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