Scientists claim to have identified natural substances with cancer-combating properties.科學(xué)家們聲稱已經(jīng)發(fā)現(xiàn)自然界的某些物質(zhì)具有抗癌特性。The goal is complete abstention from all mind-altering substances.目標是徹底戒絕所有致幻物質(zhì)。Most of these nourishing su...
But some bitter substances in It'such as elaterin are unacceptable.由于苦瓜含有苦瓜素等物質(zhì),苦味較重,令一些消費者難以接受.Stressed plants diminish osmotic potential by accumulating free amino acids, ions and dissolvable substances.被鹽脅迫的植物因自由...