| 单词 | sustainable | 
| 释义 | Word Frequency sustainable(səˈsteɪnəbəl) adjective 1.  capable of being sustained  2.  (of economic development, energy sources, etc) capable of being maintained at a steady level without exhausting natural resources or causing severe ecological damage   sustainable development 3.  (of economic growth) non-inflationary  | 
	
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