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单词 sine qua non
释义
si·ne qua non (sĭnĭ kwä nŏn, nōn, sīnĭ, kwā)
n.
An essential element or condition: "The perfect cake is the sine qua non of the carefully planned modern wedding" (J.M. Hilary).

[Late Latin sine quā (causā) nōn, without which (cause) not : Latin sine, without + Latin quā : feminine ablative of quī, which + Latin nōn, not.]
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更新时间:2025/1/8 15:04:24