分类：教育/科学-外语学习
问题：Whatistimber
What is timber-line?
回答：中国话 (Simplified Chinese) 
n. - 树带界线


中?? (Traditional Chinese) 
n. - ??Ы缇?


Dictionary 
  
tim·ber·line (tĭm'bər-līn') 

n. In both senses also called tree line.

1. The elevation in a mountainous region above which trees do not grow. (山区的海拔高度，在该高度以上，树木不能生长）
2. The northern or southern latitude beyond which trees do not grow.
（北纬或南纬线，超过该线，树木不能生长）