He treated these cells with a drug, aminopterin . 他用氨基喋呤来处理这些细胞。
2.
Aminopterin is banned in america but the wheat gluten at the centre of the contamination investigation was imported from china , where the poison is used 虽然氨基蝶呤在美国是被禁止的，但是这次中毒事件的调查重点?谷朊粉却是从中国进口，在中国氨基蝶呤被当作农药使用。
