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单词
protonephridium
释义
protonephridium
[´prōd·ō·nǝ`frid·ē·ǝm]
INVERTEBRATE ZOOLOGY
1.
A primitive excretory tube in many invertebrates.
2.
The duct of a flame cell.
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更新时间:2025/5/1 18:39:39