Unit 3 (Lesson 1-2)

메탄가스

• Gas

• Petroleum

• Methane Gas

• Gasoline

석유

• petroleum

• diesel

• gas

• oil

정력, 에너지

• source

• energy

• power

• engine

그래서

• what

• how

• whatever

• so

작물

• crop

• plant

• leaf

• bacteria

기계

• power

• machine

• car

• technology

호수

• lake

• river

• sea

• ocean

비료

• crop

• fertilizer

• source

• grass

더 좋은, 더 나은

• maybe

• way

• better

• good

질병, 병

• pain

• problem

• sick

• disease