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The tube worm has no mouth or digestive organs.
管虫没有嘴，也没有消化器官。
youdao
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Water can directly flow through the digestive tube and absorbed by the body.
水会直接从消化管道中流通，被身体吸收。
youdao
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Water can directly flow through the digestive tube and absorbed by the body.
水会直接从消化管道中流通，被身体吸收。
youdao