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Saliva is secreted from the exocrine gland.是什么意思？

Saliva is secreted from the exocrine gland.

唾液是由外分泌腺分泌出来的.

相关词汇
saliva is secreted from the exocrine gland

saliva

n. 唾液，口水，津，吐沫，涎；

is

vt.& vi. 是（be的三单形式；n. 存在；

secreted

v. （尤指动物或植物器官）分泌( secrete的过去式和过去分词 )，隐匿，隐藏；

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

exocrine

adj. （腺）外分泌的；

gland

n. <解>腺，[机]密封压盖，填料盖；
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