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
건구식의 온도계는 공기의 온도를 측정하는 데 사용됩니다.geongusik-ui ondogaeneun gong-ui ondoreul cheugjeonghaneun de sayongdoemnida.The dry bulb thermometer is used to measure the temperature of the air.