noun 下载 🔗分享 滚花，节，疙瘩。 A knurl. Examples : "The mechanic tightened the bolt with a tool that had a knurl to provide a better grip. " 技工用一个带有滚花的工具拧紧了螺栓，这样能提供更好的抓握力。 thing item 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 小木球 The small wooden ball in the game of trap ball, or knurr and spell. Examples : "The boy carefully placed the knurr on the trap, ready to launch it with his spell. " 男孩小心翼翼地把小木球放在弹射器上，准备用拨棍将它击飞。 sport game item 与AI对话词汇游戏阅读练习
