名词
中文翻译：刺
同义词：
['sting', 'stinger', 'spine', 'barb']
例句：
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1.The bee's sting is a warning to others not to approach it.
蜜蜂的刺是警告其他人不要接近它。
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2.The thorny bushes are difficult to climb.
这些荆棘丛很难爬。
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3. The sharp barbs on the needle help to trap insects.
针上的尖锐刺有助于捕捉昆虫。