| 单词 | pickproof |
| 释义 | pickproof in British English (ˈpɪkˌpruːf) adjective (of a lock) unable to be picked pickproof in American English (ˈpɪkˌpruːf) adjective (of a lock) designed so that it cannot be picked Word origin [1930–35; pick1 + -proof]This word is first recorded in the period 1930–35. Other words that entered Englishat around the same time include: acoustic phonetics, boondoggle, cloverleaf, kickback, logical positivism-proof is a combining form meaning “resistant, impervious to” that specified by the initialelement. Other words that use the affix -proof include: burglarproof, childproof, waterproof |
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