b、p音变：comb（梳子）—> kempt（整洁的）。
kempt 整洁的，梳理好的来自comb的过去分词方言，梳理好的，整洁的。
- kempt (adj.)
- "well-combed, neat," late 14c., from past tense of dialectal kemb, from Old English cemdan (see unkempt). A rare word after c. 1500; any modern use probably is a whimsical back-formation from unkempt.
- 1. The girls are kempt.
- 女孩们很整洁.
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