noun 下载 🔗分享 指关节，关节。 Any of the joints between the phalanges of the fingers. Examples : "My little brother bumped his knuckle on the edge of the table. " 我弟弟的指关节撞到桌子边上了。 anatomy body part physiology organ medicine biology human 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 关节 (by extension) A mechanical joint. Examples : "The old bicycle's broken knuckle prevented the pedals from turning. " 这辆旧自行车的连接处坏了，导致脚蹬没法转动。(Zhè liàng jiù zìxíngchē de liánjiēchù huài le, dǎozhì jiǎodēng méifǎ zhuǎndòng.) technical machine part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 猪蹄，肘子 A cut of meat. Examples : "The butcher offered a special price on knuckle of pork. " 肉店老板说猪肘子特价出售。 food animal 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 袋口护垫弯曲处 The curved part of the cushion at the entrance to the pockets on a cue sports table. Examples : "The cue ball bounced off the knuckle of the side pocket and landed perfectly for my next shot. " 母球撞到侧袋袋口护垫弯曲处，位置很好，方便我打下一杆。 sport game 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 牛膝，关节。 The kneejoint of a quadruped, especially of a calf; formerly used of the kneejoint of a human being. Examples : "The calf's knuckle was stiff after the long hike. " 小牛长途跋涉后，膝关节都僵硬了。 anatomy animal body part physiology 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 节，关节 The joint of a plant. Examples : "The gardener carefully pruned the rose bush, making sure to cut just above a knuckle so new growth would appear. " 园丁小心地修剪着玫瑰灌木，确保只在芽节上方剪掉，这样才能长出新的枝条。 plant part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 船体转角，折角处。 A convex portion of a vessel's figure where a sudden change of shape occurs, as in a canal boat, where a nearly vertical side joins a nearly flat bottom. Examples : "The canal boat's knuckle made it difficult to load the heavy crates efficiently. " 运河船的船体转角处使得高效装载重型板条箱变得困难。 nautical architecture vehicle sailing 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 指节铜套，铁拳套 A contrivance, usually of brass or iron, and furnished with points, worn to protect the hand, to add force to a blow, and to disfigure the person struck; a knuckle duster. Examples : "brass knuckles" 指节铜套 weapon body wear action item 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 （雪道的）凸起, （雪道的）圆弧。 The rounded point where a flat changes to a slope on a piste. Examples : "The snowboarder caught some air off the knuckle of the jump, transitioning smoothly from the flat section to the downward slope. " 单板滑雪者在跳台的凸起处腾空而起，平稳地从平坦的雪面过渡到下坡。 sport technical 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 用指关节按压，用指节揉 To apply pressure, or rub or massage with one's knuckles. Examples : "He knuckled the sleep from his eyes." 他用指节揉了揉眼睛，驱散了睡意。 body action 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 弯指，屈指 To bend the fingers. Examples : "Before catching the ball, the boy had to knuckle his fingers. " 接球之前，那男孩得先弯一下手指。 body action anatomy 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 叩头，磕头。 To touch one's forehead as a mark of respect. Examples : "Seeing the general enter the room, the soldiers immediately knuckled their foreheads in respect. " 看到将军走进房间，士兵们立刻叩头致敬。 culture ritual tradition body sign action 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 屈服，让步. To yield. Examples : "After a long argument, the siblings finally knuckled under and shared the last slice of pizza. " 经过长时间的争论后，兄妹俩最终还是屈服了，把最后一块披萨分了。 attitude action 与AI对话词汇游戏阅读练习
