Surgical care and its safe delivery affect the lives of millions of people.

外科治疗及其安全操作关系到数百万人的生命。

youdao

I don't think its safe here.

我觉得这不安全。

youdao

I think its safe to go to school on foot.

我觉得走路去学校很安全。

youdao

I think its safe to go to school on foot.

我觉得走路去学校很安全。

youdao