形容词
中文翻译：Unknown
同义词：
['spiny', 'prickly', 'thorny']
例句：
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1. The rose bushes have rhachitomous stems that are difficult to trim.
玫瑰灌木的茎上长满了刺，修剪起来很困难。
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2. The thorny bush was a challenge for the hikers.
这棵荆棘丛给徒步旅行者带来了挑战。
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3. The spiky leaves of this plant are used in traditional medicine.
这种植物的尖刺叶子在传统医学中被使用。