a person whose job is to remove or destroy something by exploding it

He did not have a licence to work as a crane operator or a blaster, according to the report. 据报告，他没有起重机操作员或爆破员的工作许可证。

An avalanche blaster must undergo three years of on-the-job training and take written exams. 雪崩爆破员必须接受三年的在职培训并参加笔试。

a tool or object that can send out water, gas, air, etc. with a lot of force

You can create a water blaster from a plastic tube. 你可以用一根塑料管制作水枪。

They invented a carbon dioxide blaster that doctors can use to separate patients' organs during laparoscopic surgery. 他们发明了一种二氧化碳喷射器，医生可以在腹腔镜手术中使用它来分离病人的器官。

a weapon in a science fiction story (= one about an imagined future) that can destroy solid objects

The sound is like an asteroid blaster from an old video game. 这声音听起来就像老式电子游戏中的小行星爆破器。

They explored the planet, keeping their blasters ready in their hands. 他们手握爆能枪探查了这个星球。