单词	food chain
释义	food chain noun 1 : an arrangement of the organisms of an ecological community according to the order of predation in which each uses the next usually lower member as a food source 2 : a hierarchy based on power or importance at the top of the corporate food chain Word History First Known Use 1920, in the meaning defined at sense 1 Kids Definition food chain noun : a sequence of organisms in which each depends on the next and usually lower member as a source of food food chain noun as in hierarchy a series of types of living things in which each one uses the next lower member of the series as a source of food Sharks eat fish that are lower in the food chain. animals that are at the top of the food chain Synonyms & Similar Words Relevance hierarchy grouping level bracket rank tier standing layer caste folk class grade estate gentry stratification order place stratum position status echelon subcaste
随便看	burst at the seams burst forth burst in on burst in or into burst into burst into flames burst into tears burst on the scene burst out burst out laughing burst someone's bubble burst/explode into flames bursted bursted into bursted out bursten burster bursters bursting bursting (forth) bursting (in or into) bursting charge bursting forth bursting heart bursting in or into

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