单语范例（未经PONS编辑处理）
英语
- It was later postulated that during non-inducing photoperiods, long-day plants produce anthesin, but no gibberellin while short-day plants produce gibberellin but no anthesin.en.wikipedia.org
- Long-day plants are those that only flower when the photoperiod is greater than a critical duration.en.wikipedia.org
- For example, short-day and long-day plants are, in fact, long-night and short-night respectively.en.wikipedia.org
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