☆ ADVANCED LEVEL : 1 ☆☆ INTERMEDIATE LEVEL : 2 ☆☆☆ ELEMENTARY LEVEL : 0 NONE : 46 ALL : 49

• 쇠 : 자동차나 배를 만들 때 사용되는 등 일반적으로 널리 쓰이며 자성을 가지고 있는 은백색의 고체 물질. ☆☆ Noun
🌏 IRON: A silver-white solid matter with magnetic properties, widely used for many purposes, such as making a car or ship, etc.

• 쇠고기 : 소의 고기. ☆☆ Noun
🌏 BEEF: Meat from cow, bull or ox.

• Environmental issues (226) • Directions (20) • Hobby (103) • Using public institutions (library, post office, etc.) (8) • Weekends and holidays (47) • Making a promise (4) • Using public institutions (59) • Appearance (121) • Architecture (43) • Language (160) • Science & technology (91) • Using public institutions (library) (6) • Expressing date (59) • Social system (81) • Education (151) • Comparing cultures (78) • Apologizing (7) • Expressing gratitude (8) • Life in the workplace (197) • Health (155) • The arts (23) • Pop culture (52) • Press (36) • Purchasing goods (99) • Mass media (47) • Hobbies (48) • Using public institutions (post office) (8) • Introducing (introducing family) (41) • Residential area (159) • Economics and business administration (273)