名词
中文翻译：退行
同义词：
['degeneration', 'regression']
例句：
-
1. The process of etiolationis a natural part of the aging process.
退行是一个自然老化过程的一部分。
-
2. Thescientist observed that certain species were undergoingetiolation due to environmental changes.
科学家观察到某些物种由于环境变化而正在经历退行。
-
3. The study found that therate of etiolation was higher inareas with poorer soil quality.
研究发现，土壤质量较差的地区退行速率更高。