nightlyadj.
英 'naɪtlɪ | 美 'naɪtli
中文adj. 夜间的；每夜的\nadv. 每夜
夜间的；每夜的
adv. 每夜
词根词源
nightly (adj.)Old English nihtlic "nocturnal, of the night, at night;" see night + -ly (1). As an adverb, Middle English nihtlich, from the adjective.
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