Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
카타온도계는 공기 온도를 측정하는 데 사용됩니다.katatondogye-neun gonggi ondo-reul cheugjeonghaneun de sayongdoemnida.The katathermometer is used to measure air temperature.