안녕하세요. 이영식 입니다. Welcome to wiz of YSL.

About Me

Scientist

TDLS

Teacher

빅문 FBTC 1

물리화학실험

Ugly Adopter

Hardware

Software

Knowledge +

ysl*!dea

지적 생산의 기술

When I Kissed the Teacher

Life +

Mood

Watching

Around the World

LeeChaSa


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