Seriousness

来自Big Physics

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late Middle English: from Old French serieux or late Latin seriosus, from Latin serius ‘earnest, serious’.


文件:Ety img seriousness.png

wiktionary

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serious +‎  -ness


etymonline

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seriousness (n.)

1520s, from serious + -ness.

取自“https://www.bigphysics.org/index.php?title=Seriousness&oldid=26649”