noun🔗Share구멍, 천공A hole bored into the ground to collect samples for analysis or to extract oil or water."The scientists drilled a borehole to collect soil samples from deep underground for testing. "과학자들은 시험을 위해 깊은 지하에서 토양 샘플을 채취하기 위해 구멍을 뚫었다.geologyenvironmentutilitytechnologytechnicalscienceindustryChat with AIVocabulary GamePractice Reading
verb🔗Share구멍을 뚫다To bore a hole of this kind (in)."The construction crew needed to borehole through the rock to reach the water source. "건설팀은 수원에 도달하기 위해 바위를 뚫어야 했다.geologyenvironmentutilitytechnicalindustryChat with AIVocabulary GamePractice Reading