From English-日本語 (にほんご) FreeDict+WikDict dictionary ver. 2022.11.18: lucubrate //ˈluː.kjə.bɹeɪt// <v> 蛍雪の功を積む work diligently by artificial light; to study at night
lucubrate //ˈluː.kjə.bɹeɪt// <v> 蛍雪の功を積む work diligently by artificial light; to study at night
