1 (wiktionary) 2 (vi.wikipedia) 3 (en.wikipedia) 4 (glosbe)



Core Words Familarize yourself with the 'core words'.
Compounds Expand your vocabulary by studying more complex words built by the 'core words'.
Wordsense Learn about the wordsenses of the english term.


ETYMOLOGY






KOREAN 3.0EngWordtypeEtym.GbVie
MAINTENANCE Noun 持续 持续,继续 sự liên tiếp duy trì, sự tiếp diễn, sự liên tục, sự kéo dài