tractor beam

名词 n.
中文释义

英文释义

名词 n.
  1. A device-generated beam used to attract other objects from a distance.
    — Through it Stevens saw with satisfaction that the Forlorn Hope was not being abandoned; in the grip of powerful tractor beams, every fragment of the wreckage was following close behind them in their flight through space.

词形变化

tractor beams plural

词源

Possibly a shortening of attractor beam; note however the broader meaning of tractor (“machinery that pulls something”). Coined by American science fiction author E. E. Smith in 1931 in his novel Spacehounds of IPC, first serialized in Amazing Stories.
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