noun🔗Share森林限界線A division in altitude (or latitude) above which trees tend not to grow on mountains."We hiked up the mountain until we reached the treeline, where the forest ended and only rocks and snow remained. "森林限界線に達するまで山を登り、そこで森は終わり、岩と雪だけが残っていました。geographyenvironmentgeologynaturescienceChat with AIVocabulary GamePractice Reading