spam in a can

名词 n.

英文释义

名词 n.
  1. Astronauts whose mission involves confinement in a small space capsule. derogatory,slang,uncountable
    — The lab rat, experimental object, “Spam in a can” idea wasn't NASA's vision of the astronaut, but this unpleasant dimension of astronaut life did seep into spaces with a claim to public attention.

词源

In reference to the tinned meat product called SPAM.
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