19과

발명가

inventor

발명품

invention

나침반

compass

호기심

curiosity

천재

genius

업적

accomplishment

원리

principle

계기

chance, opportunity, motive

생애

lifetime

지혜

wisdom

고정관념

stereotype

널리

widely

독창적

creative, original

발견하다

to discover

실험하다

experiment

설계하다

to design

위대하다

to be great

V-는 대로

as soon as

A/V-(으)ㄹ까 봐

worried that; afraid that

A/V-아/어서 걱정이다

to worry because

하도 A/V-아/어서

very much; too much