因为未剥皮的大米会在热带和亚热带气候中很快变质，因此，种皮——连同珍贵的铁都会被移除。

Because unpeeled rice quickly becomes rancid in tropical and subtropical climates, however, the seed coat - along with the precious iron - has to be removed for storage.

youdao

因为未剥皮的大米会在热带和亚热带气候中很快变质，因此，种皮——连同珍贵的铁都会被移除。

Because unpeeled rice quickly becomes rancid in tropical and subtropical climates, however, the seed coat - along with the precious iron - has to be removed for storage.

youdao