名词
中文翻译：内层石炭纪石灰岩
同义词：
['inner carboniferous limestone']
例句：
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1.This fossil is from the inner part of the Earth's crust, which is very important for understanding the history of our planet.
这个化石来自地球地壳的内层，这对于理解我们星球的历史非常重要。
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2. The internist specializes in diagnosing and treating diseases that affect the internal organs.
内科医生专门从事诊断和治疗影响内脏的疾病。
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3.The internist was able to quickly identify the patient's condition and prescribe appropriate treatment.
内科医生能够迅速识别患者的病情并开具适当的治疗方案。