ductless是什么意思

ductless

['dʌktlɪs]

adj. 无导管的

双语例句

1. Endocrinology is defined as the study of the ductless or endocrine glands and their internal secretions.: 内分泌学的定义是:研究无管腺或称内分泌腺及它们的内分泌的科学.

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