单词knuckle
n.: 指节；蹄；指关节
v.: 用指关节打[压,碰,擦]；(儿童弹玻璃弹子时)以指关节贴地
网络: 转向节；转向节臂；膝关节
指节；指关节:
any of the joints in the fingers, especially those connecting the fingers to the rest of the hand
（猪等动物的）肘，蹄:
a piece of meat from the lower part of an animal"s leg, especially a pig
近乎下流；近乎猥亵:
concerned with sex in a way that is likely to offend people or make them feel embarrassed
(儿童弹玻璃弹子时)以指关节贴地
用指关节打[压,碰,擦]
【机械工程】钩爪,关节;铰结,肘形接;【造船】船尾棱缘;【建筑】(屋顶等的)脊
封头过渡区
万向接头
船体折角
扭节铰链
铜指节套
肘节装置
指关节;脚圈;
指关节,指节
(小牛、猪等的)膝关节,脚圈;肘,蹄
复数：knuckles
过去分词：knuckled
现在分词：knuckling
n.protuberanceprojectionlumpprominencebulge
The finger structure is relatively simple, each of the three finger knuckle and a certain scope can be used for horizontal expansion.
手指的结构则相对比较简单，每个手指包括三个指节，并在一定范围内可以作横向的展开。
That joke of his was a bit near the knuckle, don"t you think?
你不觉得他讲的那个笑话有点下流吗？
The finger is still crooked to this day bent at the bottom knuckle a full 45 degrees outward from his other fingers.
伤好了后小拇指就一直弯曲着，到今天仍然是这样：小拇指从底部关节向外与其他拇指形成了个45度的斜角。
"What about this village here, between the Teats? " Jaime tapped the map with a gilded knuckle.
“双乳峰中间这个村子怎么办？”詹姆用他的金手指敲了敲地图。
The knuckle ball is an extremely slow pitch, but can be very effective due to its lack of predictability.
指节球是相当慢的投球，但也是非常有效的，因为它缺乏预知性。
"It was nice because you progressed from the knuckle to the finger to using more than one knuckle on the screen, " he said.
他说，“很不错，因为你从关节发展到用手指到使用多个关节点击屏幕”。
The steering-knuckle arm, attached to the front wheels, are therefore forced to swing the wheels to the right or left on their pivots.
于是，与前轮相连的转向节臂使车轮在其轴线上左右转动。
Wainwright rubbed a knuckle along the surface of his chin .
温赖特的一个手指关节在下巴上搓来搓去。
There"s a knuckle I"ll never be able to move again, but that"s probably the only permanent damage, other than the scarring.
可能会有一个关节永远无法移动了，但我想…好在这是唯一的永久性伤害，除了伤疤外…
The subjects were asked to use their free right hand point with a baton to the location of each knuckle and fingertip of their left hand.
实验对象被要求用他们空出来的右手拿着一根棍子，指出他们左手每个指尖和关节的位置。