She used a low-temperature method to extract the qinghaosu and finally succeeded in 1972.

屠呦呦用低温法提取青蒿素，并最终于 1972 年成功。

Tu found it effective and tried to extract the qinghaosu from it in order to make a drug.

屠呦呦发现这种疗法有效，便试图以此提取青蒿素来制造药物。

It turned out that qinghaosu was safe and all patients in the test recovered.

结果表明青蒿素是安全的，所有接受测试的患者都康复了。

As a key part of many malaria medicines, qinghaosu has since benefited about 200 million malaria patients.

作为众多抗疟疾药物的重要组成部分，青蒿素至今已惠及约2亿疟疾患者。

Thanks to her discovery of qinghaosu, malaria patients all over the world now have had a greatly increased chance of survival.

由于她发现了青蒿素，现在全世界的疟疾患者的生存机会都大大增加了。

After her team showed that qinghaosu could treat malaria in mice and monkeys, Tu and two of her colleagues volunteered to test the drug on themselves before testing on human patients.

在屠呦呦团队证明了青蒿素可以治疗小白鼠和猴子的疟疾后，屠呦呦和两名同事主动充当志愿者试服药物，而后才在患者身上测试。