sanitation
n.
1848, irregularly formed from sanitary. Figurative use from 1934. As a euphemism for garbage (as in sanitation engineer) first recorded 1939.
| 词汇 | sanitation | 
| 词根词缀 | Online Etymology Dictionary sanitation n. 1848, irregularly formed from sanitary. Figurative use from 1934. As a euphemism for garbage (as in sanitation engineer) first recorded 1939. | 
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