quartz
🇺🇸
/kwɔːrts/
🇬🇧
/kwɔːts/
a kind of hard material from the earth used in making clocks and jewelry
The clock is made of quartz, which helps it keep time accurately.
시계는 석영으로 만들어져 정확한 시간을 유지하는 데 도움이 됩니다.