| 释义 |
〔GRAS〕Generally recognized as safe. Used by the U.S. Food and Drug Administration as a label designating food ingredients or additives not known to be harmful to human beings when used as intended.一般安全：一般被认为安全。美国食物及药物管理局使用的标记，表示食物成份或添加剂，在被有意使用时，表明未曾对人有危害〔this〕 This informal usage is best avoided in formal writing except where conversational tone is deliberately being sought.See Usage Note at that 除非有意使用对话语气，这种非正式用法最好避免用于正式文体中 参见 that |