形容词
中文翻译：额外的
同义词：
['extraordinary', 'extraordinary例句：1. The extrathecal surgery was a success.（这次非常规手术成功了。）']
例句：
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1. The extrathecal surgery was a success.
这次非常规手术成功了。
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2.The extrathecal approach to problem-solving is gaining popularity.
非常规解决问题的方法越来越受欢迎。
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3. Extrathecal sedation is often used for pain management during surgeries.
在手术中常用额外麻醉来管理疼痛。