The nutrients are absorbed by an inner layer of cells with waste excreted back through their mouths.
营养物质被内层细胞吸收,废物则用嘴吐回去。
单词 | excreting cell |
例句 |
原声例句
TED-Ed(视频版) The nutrients are absorbed by an inner layer of cells with waste excreted back through their mouths. 营养物质被内层细胞吸收,废物则用嘴吐回去。 |
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