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fibrous; relentless; sinewy; tireless | |||
tenacious (tenacius); tough (tenax) | |||
leathery | |||
rubbery | |||
tenacious; tough | |||
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tenacious | |||
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withy | |||
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whipcord | |||
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tough |
坚韧 的 : 12 phrases in 5 subjects |
Dentistry | 1 |
General | 4 |
Hydroelectric power stations | 2 |
Sports | 4 |
Textile industry | 1 |