单词	dayless
释义	dayless adjective day·​less ˈdālə̇s : lacking daylight Word History First Known Use 1657, in the meaning defined above
随便看	optimums opting opting (for) opting for opting in opting out option option to buy optional optional pass optional referendum optional writ optionalities optionality optionalize optionally optionals optionary optioned optionees optioning options optive opto- optoelectronic

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