tim·ber·line 
(tĭmbər-līn′)
(tĭmbər-līn′)n.
1. The elevation in a mountainous region above which trees do not grow.
2. The northern or southern latitude beyond which trees do not grow. In both senses also called tree line.
| 单词 | timberline |
| 释义 | tim·ber·line (tĭmbər-līn′)n. 1. The elevation in a mountainous region above which trees do not grow. 2. The northern or southern latitude beyond which trees do not grow. In both senses also called tree line. |
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