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rigid; cast-iron; durus; flintlike; glacial; hardy; ironbound; obdurate; unbending; unyielding | |||
consolid (consolidus); durous (durus) | |||
granitic; incompressible | |||
brazen | |||
calculous | |||
adamant | |||
stiff; wiry | |||
flinty | |||
firm; hard | |||
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rigid | |||
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stony | |||
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adamant (to) | |||
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steel |
坚硬的 : 45 phrases in 14 subjects |