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 3.0 Eng Wordtype Etym. Gb Vie
☆☆ FIELD TRIP; TOUR Noun 见学观摩，见习 sự kiến tập, sự đi thực tế
☆ FIELD TRIP; SCHOOL EXCURSION Noun 修学旅行 (学校组织的)参观活动，学习旅行 sự đi tham quan, sự đi thực tế