protein
柯林斯词典
1. N-MASS Protein is a substance found in food and drink such as meat, eggs, and milk. You need protein in order to grow and be healthy. 蛋白质
Fish was a major source of protein for the working man. 鱼曾是劳动者获取蛋白质的主要来源。
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1. N-MASS Protein is a substance found in food and drink such as meat, eggs, and milk. You need protein in order to grow and be healthy. 蛋白质
Fish was a major source of protein for the working man. 鱼曾是劳动者获取蛋白质的主要来源。