じっけんだい

実験台
laboratory testing bench
laboratory material
subject of an experiment

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じっけんだい【実験台】

a testing bench; an experiment stand; a laboratory table; 〔実験対象〕 the subject of an experiment; (人) a human guinea pig.

●…を実験台に使う use sb [sth] as the subject of an experiment

・彼らは実験台になろうと申し出た. They volunteered to be [serve as] human guinea pigs.

●実験台の上に置かれた機材 the materials on the lab table.

●(映画『マイ･フェア･レディー』で)イライザは実際はヒギンズ教授の音声学研究の実験台となったのではないか. I wonder whether Professor Higgins wasn't actually using Eliza as a guinea pig for his research into phonetics.