Erepsin is secreted by glands in the wall of the small intestine.

肠肽酶是由小肠壁的腺体分泌的。

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Erepsin is secreted by glands in the wall of the small intestine.

肽酶是由小肠壁的腺体分泌的。

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Erepsin is secreted by glands in the wall of the small intestine.

肽酶是由小肠壁的腺体分泌的。

youdao