roughen
roughing roughing-filter roughing-machine roughing-tool roughish roughly roughneck roughness roughometer roughshod roulade rouleau rouleaux roulette roumanian round round brackets round-celled round-eared round-edged round-eyed round-house round-meshed round - off round robin round-shouldered round-table round-the-clock round-trip |
roughen /'rʌfn/
ngoại động từ
nội động từ
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