| 词汇 | countersunk |
| 释义 | coun·ter·sunkBrE /ˈkaʊntəsʌŋk/ NAmE /ˈkaʊntərsʌŋk/ (BrE ) (NAmE flat·head ) adjective (specialist ) (of a screw 螺丝钉) that fits in a hole with its top surface level with the surface of the material 沉头的 |
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