以上来源于: WordNet
N-COUNT Your knuckles are the rounded pieces of bone that form lumps on your hands where your fingers join your hands, and where your fingers bend. 指关节
Brenda's knuckles were white as she gripped the arms of the chair.
布伦达紧紧抓着椅子的两个扶手时指关节白了。
rap sb's knuckles, rap sb on/over the knuckles →see rap
Knuckling over of the front legs is a disqualification.
前腿有突球是不合格的。
Knuckling at fetlocks, ataxia, tail deviation and tail may be flaccid.
扣打距毛，运动失调，尾偏斜和尾可能松垂。
Businesses will object to strict regulations without the prospect of their international competitors in America, China and India knuckling under.
各公司看不到美国，中国和印度的竞争对手服从政策的迹象，也将会对严格制度加以抵抗。
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