【上位】 all the plant life in a particular region or period; "Pleistocene vegetation"; "the flora of southern California"; "the botany of China" 特定の地域または期間のすべての植物。
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postpone indefinitely or annul something that was scheduled; "Call off the engagement"; "cancel the dinner party"; "we had to scrub our vacation plans"; "scratch that meeting--the chair is ill" 予定されていたものを、無期限に延期する、または取り消す。
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