boo
The large tuberous root of a kind of milkweed (Asclepias tuberosa), used as a remedy for pleuritic and other diseases. / The plant itself, which has deep orange-coloured flowers; butterfly weed.
A person who believes in or supports secularism.
(mathematics) An integral transform closely related to the Fourier transform, but which transforms real-valued functions to real-valued functions.
A derisive shout made to indicate disapproval.
コメディアンの冗談が滑ったとき、観客の一人のブーが会場に響いた。
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DiQt
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