| 单词 | testing ground |
| 释义 | Word Frequency testing ground(ˈtɛstɪŋ ɡraʊnd) noun 1. a place or situation used for testing new ideas and methods to see if they work Eastern Europe has been a testing ground for rapid economic reform. 2. a place used for testing machines, vehicles, etc. to see if they work correctly a piece of land in use as a tank testing ground |
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