railgun

磁轨炮

发音

/ˈɹeɪl.ɡʌn/
/ˈɹeɪ.jəl.ɡʌn/
/ˈɹeɪɫ.ɡʌn/
/ˈɹeɪ.jəɫ.ɡʌn/

词形变化

railguns 复数 railguns

别名

rail gun

释义与例句

n.
  1. 1.

    An electromagnetic gun that uses a large electrical current to propel a projectile down a track of two parallel conductive rails.

    磁道炮

    电磁炮

  2. 2.

    A railway gun.

  3. 3.

    A benchrest rifle.

词源

From rail + gun. * (railway gun): From being a gun mounted on a rail car, and being railroad-mobile. * (EM gun): From being a projectile ejecting device with a pair of electric conducting rails that a launch sled runs along, which shoots the projectile.

来源：wiktionary