wakeful
adj.
c.1400, "diligent," from wake, n.2 + -ful. Related: Wakefully; wakefulness.
| 词汇 | wakeful | 
| 词根词缀 | Online Etymology Dictionary wakeful adj. c.1400, "diligent," from wake, n.2 + -ful. Related: Wakefully; wakefulness. | 
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