It includes all refined products such as white bread, white pasta, white flour, white rice, in short any grain with the bran removed.

它包括所有精制的产品，如白面包，白面条，白面粉，白米饭，总之是任何去掉麸皮的谷物。

youdao

Turning brown rice white entails removing a rice grain's bran and germ, which uncovers the white endosperm.

要将糙米制成精白米则必须将稻谷的麸皮和胚芽去除，留下白色的胚乳部分。

youdao

For example, when whole wheat flour is processed into white flour, or brown rice into white rice, the fiber and bran are removed.

比如，把全麦面粉加工成白面粉或者把糙米加工成精白米，纤维和糠就流失掉了，这样“好的”carbs就变成了“坏的”carbs。

youdao

However,brown rice does not last as long as white rice because of the oil-rich layer of bran.

VOA: special.2010.06.30

Rice without its hull or bran is white rice.

VOA: special.2009.12.01