名词
中文翻译：排泄管
同义词：
['excremental canal', 'excretory duct', 'excretory tract']
例句：
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1. Thedoctor advised him to have a thorough examination of his excretory canal.
医生建议他彻底检查他的排泄管。
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2.The scientist discovered a new species of fish in the excretory canal.
科学家在排泄管里发现了一种新的鱼类。
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3. The patient was instructed to empty his excretory canal before surgery.
病人被指示在手术前排空他的排泄管。