Acid rain
01
산성비, 산성 강수
rain containing a great deal of acidic chemicals, caused by air pollution, which can harm the environment
예시들
Forest rangers noticed weakened pine needles on high-elevation trees where acid rain was most intense.
산림 관리원들은 산성비가 가장 심한 고지대 나무에서 약해진 소나무 바늘을 발견했습니다.
