excurrent siphon 中文意思是什麼
excurrent siphon
解釋
出水管-
After digestion, any remaining material is egested from the anus and passes out with the water flowing out the excurrent siphon.
經過消化之後,任何殘留的物質都通過肛門排遺,並隨水流流到出水管外。
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