名词（木头的）结节，硬的突起
1. 结节：knuckler 慢速变化球 | knur 结节 | knurl 硬节
2. 硬瘤：knur 木球 | knur 硬瘤 | knurling 压花纹
3. 木球：knuckling 突球 | knur 木球 | knur 硬瘤
4. 木瘤/硬瘤/木球：knuckling /突球/ | knur /木瘤/硬瘤/木球/ | knurl /节/瘤/隆起/
1. A tragedy marred the 1960 cycling competition when Danish cyclist Knur Jensen collapsed and died during the road race.
丹麦自行车选手克那德·金森在公路赛途中倒了下来，当即死亡，这给1960年的自行车赛事蒙上了悲剧色彩。