monkey drill
/ˈmʌŋkɪ drɪl/US (originally and chiefly Military slang )
noun
Physical exercise training, especially repetitive callisthenics.
Origin
Late 19th century. From monkey + drill.
| 单词 | monkey drill |
| 释义 | monkey drill/ˈmʌŋkɪ drɪl/US (originally and chiefly Military slang ) noun Physical exercise training, especially repetitive callisthenics. Origin |
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