teacher
n.
"one who teaches," c.1300; agent noun from teach, v.. It was used earlier in a sense of "index finger" (late 13c.). Teacher's pet attested from 1856.
| 词汇 | teacher | 
| 词根词缀 | Online Etymology Dictionary teacher n. "one who teaches," c.1300; agent noun from teach, v.. It was used earlier in a sense of "index finger" (late 13c.). Teacher's pet attested from 1856. | 
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