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单词 rupert's drop
释义 ru·pert's drop
\ˈrüpərts-\ noun
Usage: usually capitalized R
Etymology: after Prince Rupert of Germany died 1682 who first brought it to England to his uncle Charles I of England
: a congealed blob of glass formed by dropping melted glass into water and setting up such residual stresses that the globule explodes violently when the surface is scratched or a piece broken off
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更新时间:2024/11/11 9:23:33