But they had never been able to copy the complex and expensive biotech medicines increasingly used to treat cancer, diabetes and other diseases in rich nations like the United States - until now.
2
医药公司已经开始对海底生物如海参下手，因为它可以为治疗癌症的药物提供材料。
Pharmaceutical companies are already mincing up Marine creatures known as sea cucumbers that may yet provide drugs for treating cancer.
3
通常这类研究包括，观察在经受不同剂量辐射后的生物效应，并对癌症测试实验性的治疗等。
Common studies included seeing the biological effects of radiation with various doses, and testing experimental treatments for cancer.
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