foodchain 中文意思是什麼
foodchain
解釋
食物鏈-
On the other hand, radioactive materials enter the foodchain after several hours or perhaps several days. only then the ingestion pathway becomes significant
另一方面，放射性物質會在數小時或甚至數日後才會進入食物鏈。屆時，食入途徑又會顯得較為重要。
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