| 1. | Chief cells make and secrete pepsinogen .
主细胞制造和分泌胃蛋白酶原。
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| 2. | The conjunctiva secretes mucus .
结膜分泌粘液。
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| 3. | Substances differentiated tissues secrete are called chalone .
已经分化的组织分泌物称为抑素。
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| 4. | 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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| 5. | They also secrete a waxy, transparent substance called cutin .
它们还分泌蜡质的透明物质，称作角质。
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| 6. | Insulin is secreted by beta cells, specialized cells in the pancreas .
胰岛素是由胰腺中的特种细胞细胞分泌的。
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| 7. | It is also an endocrine gland secreting at least two important hormones .
它也是一种内分泌腺，至少分泌二种重要的激素。
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| 8. | Insulin is secreted by special cells in the pancreas when a person eats .
胰岛素是在人进食时胰腺的一种特殊细胞分泌的。
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| 9. | Some extracellular proenzymes may be activated by secreted lysosomal proteinases .
有些细胞外酶原能被分泌的溶酶体蛋白酶所激活。
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| 10. | Women are naturally secretive, and they like to do their own secreting .
女人天生就好保密，她们喜欢采取她们自己的隐藏东西的方法。
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