“protonephridium”的概念、定义、翻译、参考文献-科学参考

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.
随便看	angle of orientation angle of pitch angle of pressure angle of radiation angle of recess angle of reflection angle of refraction angle of repose angle of rest angle of roll angle of safety angle of shear angle of site angle of slide angle of stall angle of thread angle of torsion angle of train angle of traverse angle of twist angle of vertical angle of view angle of wall friction angle of wrap angle of yaw

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