| 词汇 | anaesthetic |
| 词根词缀 | 词源： anaesthetic (adj.) 1846, "insensible," from Gk. anaisthetos "without feeling" (see anaesthesia). Noun meaning "agent that produces anesthesia" first used in modern sense 1848 by professor James Young Simpson (1811-1870), discoverer of chloroform. |
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