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  5. day 94

day 94inventions and devices

unit 14 · science & the natural world

    inventions and devices

    Talk about devices, software and inventions (sensors, remote measuring, compression, passwords), and understand the hage-style warning -게 from an older speaker.

    today’s words

    • 증발 jeungbal · evaporation
    • 질량 jillyang · mass
    • 측정 cheukjeong · measurement
    • 팽창 paengchang · expansion
    • 합성 hapseong · synthesis; compositing (photos)
    • 혼합 honhap · mixture, mixing
    • 가상 gasang · virtual, imaginary
    • 고안 goan · devising, inventing
    • 구축 guchuk · building, setting up (a system)
    • 구형 guhyeong · old model
    • 기기 gigi · device, appliance, instrument
    • 기법 gibeop · technique, method
    • 기술적 gisuljeok · technical
    • 동력 dongnyeok · (motive) power
    • 반도체 bandoche · semiconductor, chip
    • 복제 bokje · copying; cloning
    • 센서 senseo · sensor
    • 소프트웨어 sopeuteuweeo · software
    • 실용화 siryonghwa · practical use, commercialisation
    • 암호 amho · password; code
    • 압축 apchuk · compression
    • 원격 wongyeok · remote (control, work)
    • 전동 jeondong · electric, powered

    sentences

    • 물체의 질량은 장소가 바뀌어도 변하지 않는다. · An object’s mass doesn’t change when its location changes.
    • 금속은 열을 받으면 팽창한다. · Metal expands when it is heated.
    • 시험 지문의 사진은 두 장을 합성한 것이다. · The photo in the exam passage is a composite of two photos.
    • 시멘트에 모래와 물을 혼합해서 사용한다. · You mix sand and water into cement before using it.
    • 요즘은 가상 공간에서 회의를 하기도 한다. · These days meetings are sometimes held in virtual space.