单语范例（未经PONS编辑处理）
英语
- These cycads are generally unbranched, tall, and with persistent leaf bases.en.wikipedia.org
- The trunk is very rough with the persistent leaf bases clasping the stem as layers of coarse fibrous material.en.wikipedia.org
- The trunks are bare at the bottom but retain persistent leaf bases in its youngest parts; enlarged paper-like appendages, ocreas, form where the petioles meet the stem.en.wikipedia.org
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英语