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derivation/
ˌderɪˈveɪʃən
/
1.noun[u]
根源，起源
2.noun[c/u] [Linguistics]
词源；词源学
3.noun[u]
思路，推理脉络
4.noun[u] [Linguistics]
（指词的）派生；派生法
5.noun[u]
门第，家系
6.noun[u] [Medicine]
流脓
7.noun[u]
引水灌溉
8.noun[u]
衍生；推导；溯源