bread-and-butter note
(usually transitive, nuclear physics) To blend highly-enriched uranium, typically from decommissioned nuclear weapons, with uranium containing a low concentration of fissile uranium-235 (slightly-e...
plural of mesocompound
plural of shoveler
A short note thanking someone who has recently provided the writer with hospitality.
一週間おばの家に滞在した後、彼は短いお礼状を書いておもてなしへの感謝を伝えた。
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