UV-Bs
(informal, figuratively) To recover mentally by taking a break or engaging in a relaxing activity.
plural of UV-B
(organic chemistry) Any compound (most often alkenes) that react with 1,3-dipoles in a cycloaddition reaction
Such that it cannot be reclaimed.
現地調査中、技術者たちは山の雪原で紫外線B波が正午頃にピークに達するのを観測した。
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