n. 

齿,刻锯齿
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cut-short,
cut-spike,
cuttable,
cuttage,
cutter,
cutter-and-cleaner,
cutterbar,
cutterblock,
cutter-creaser,
cutterhead,
相似单词
ratchet wheel,
ratchet-and-pawl,
ratchet-feed,
ratcheting,
ratchetting,
ratching,
rate,
rate of exchange,
rate of growth,
rate of inflation,