单词	bub
释义	bubbub /bʌb/ noun [countable] American English old-fashioned Word Origin WORD ORIGINbub Origin: 1800-1900 Probably from brother used to speak to a man, especially when you are angry:  Hey, what do you think you’re doing, bub?
随便看	opposing opposite opposition oppress oppressed oppression oppressive oppressively oppressor opprobrium Oprah OPSI opt optic optical optical character recognition optical fibre optical illusion optically optician optics optimal optimism optimist optimistic

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