1 文書を見つけるための辞書。

• necessary, requisite, requirement, necessity, essential
• 必需品, 必需, 不可欠, 必要, 必須
• anything indispensable; "food and shelter are necessities of life"; "the essentials of the good life"; "allow farmers to buy their requirements under favorable conditions"; "a place where the requisites of water fuel and fodder can be obtained"
• 不可欠な何でも