| 单词 | balanced ecosystem |
| 释义 | balanced ecosystem The scientists behind the research said it showed the imperative to conserve land insects, which are crucial in maintaining a balanced ecosystem. Times,Sunday Times Wetlands come in many forms, but all can boast a rich and balanced ecosystem not found on dry land. Times, Sunday Times We are actually bound together in a finely balanced ecosystem. Times, Sunday Times However, fish are not encouraged because they would strain the pond's carefully balanced ecosystem. Times, Sunday Times Divers also have noted the presence of large groups of young fish a good sign of future self-sustaining populations and the long-awaited return to a balanced ecosystem. Globe and Mail |
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