Rube Goldberg
(chemistry, in combination) Four atoms of beryllium in a chemical compound.
(idiomatic) suspenseful, involving alternating roles of attack and defence.
Synonym of Rube Goldberg machine
(rare) plural of pharmacopœia
学校祭で、学生たちは手の込んだ連鎖装置を作り、複雑な滑車やドミノを経てビー玉を飛ばし、ろうそくの火を消した。
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