1-practice 工作，活动；地点

medical practice 医务工作

A Chinese court on Monday sentenced scientist who claimed to be behind the world's first gene-edited babies three years in prison for illegal medical practice, state media reported.

2-allegedly 据称地

3-confer 颁与，授予

He Jiankui, who shocked the scientific community last year by announcing the birth of twin girls whose gene had allegedly altered to confer immunity to HIV, was also fined three million Yuan, Xinhua news said.

4-contract 染（重病）

He announced in November last year that the world's first gene-edited babies-the twins had been borth that month after he altered their DNA to prevent them from contracting HIV by deleting a certain gene under a technique known as CRISPR.

5-mutation 变异，突变

The CRISPR molecular scissors cut often next to the targeted gene, causing unexpected mutations.

6-immunise （尤指注射疫苗）使免疫

It was not clear whether he had even been successful in immunising the babies against the virus because the team did not reproduce the gene mutation that confers this resistance.

7-registry 登记，记录

8-manipulation 操纵，操控

9-backlash against （对政治或社会变化的）强烈反应

In November this year the World Health Organization said that it would create a global registry to track research into human genetic manipulation following the backlash to he's announcement.