| 单词 | essential amino acid |
| 例句 | DEFINITIVE EXAMPLES 权威例句The ten essential amino acids which are necessary for growth cannot be made by the human body but must be supplied by food or drugs.机体生长所必需的10种主要氨基酸不能由人体自身产生，而必须由食物或药品提供。剑桥国际 |
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