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单词 trophic level
释义 trophic level/ˌtrɒfɪk ˈlevl ||; ˌtrɑfɪk ˈlɛvḷ/noun [c] each of several levels in an ecosystem(= all the plants and animals in a particular area and their relationship with their surroundings). each level consists of living creatures that share the same function in the food chain and get their food from the same source. 营养层次,营养级(生态系统由几个层次组成,每个层次包括在食物链中起同样作用、从同一来源取得食物的生物) ☞picture at food chain 见food chain插图
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