单词 | sedative |
释义 | Word Frequency sedative(ˈsɛdətɪv) adjective 1. having a soothing or calming effect 2. of or relating to sedation noun 3. medicine a sedative drug or agent Word origin C15: from Medieval Latin sēdātīvus, from Latin sēdātus assuaged; see sedate1 |
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