合理膳食的英文：
rational diet
adj. 理性的；明事理的；合理的
- We live in an era of rationality.
我们生活在理性的时代。 - They were evidently rationalizing.
他们显然是在给自己进行辩解。 - She is a rational woman.
她是一个有理性的女人。 - The reasoning seems rational.
这论据似乎是合乎情理的。 - rationalize production, distribution, etc
使生产、 分配等合理化.
n. 日常饮食，日常食物；规定饮食
v. 节食
- The Diet is now sitting.
国会现在在会期中。 - Sweet potato was the staple of their diet.
过去甘薯是他们的主食。 - follow a strict diet
严格遵照饮食规定 - The diet supplement is important for me.
饮食补给品对我很重要。 - She is on a diet to lose a stone.
她在节食以减少一英石的体重。