ensure
动词 v.
美 /ɪnˈʃʊɹ/|/ɪnˈʃɝ/
英文释义
动词 v.
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To make sure or certain of something (usually some future event or condition).
— I use an alarm clock to ensure that I get up on time.
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To make a pledge to (someone); to promise, guarantee (someone of something); to assure.
— Thenne he cryed hym mercy and sayd Faire knyght for goddes loue slee me not / and I shall ensure the neuer werre ageynst thy lady / but be alwey toward her / Thenne Bors lete hym be
词源
From Middle English ensuren, from Anglo-Norman enseurer, from Old French seur (“sure”). Doublet of insure.
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数据来源: Wiktionary