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sus.te.nance FOOD5sQs7tI7nEntsn [U] fmlfood食物，粮食Children need a lot of sustenance.儿童需要大量食物。During this cold weather, the food put out by householders is the only form of sustenance that the birds have.在这寒冷的天气里，居民放在外面的食物是小鸟唯一的食物来源。Sustenance is also the ability of food to provide people and animals with what they need to make them strong and healthy.营养A stick of celery does not provide much sustenance.一根芹菜没什么营养。
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