单词 | steroid |
释义 | Word Frequency steroid(ˈstɪərɔɪd, ˈstɛr-) noun biochemistry any of a large group of fat-soluble organic compounds containing a characteristic chemical ring system. The majority, including the sterols, bile acids, many hormones, and theDvitamins, have important physiological action Derived forms steroidal (steˈroidal) adjective Word origin C20: from sterol + -oid |
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