knock-knee

名词膝外翻，内八脚，X 脚（两膝异常靠近，行路时两膝相碰）; 叉形腿

1. 膝外翻：kneecap 膑 | knock knee 膝外翻 | knot 结

2. 膝外弯：knee upward 膝上舉 | knock knee 膝外彎 | knocking on 擊球違例

3. 膝内翻：敲击器(屠宰用) knocker | 敲击锤(屠宰用) knocking hammer | 膝内翻 knock-knee

4. 内弧 叉形腿：knockings泥浆筛余物 | knock-knee内弧 叉形腿 | knock-limiteddensityindex爆震限制的密度指数

1. Knock-knee is fairly normal in healthy children under the age of six and should not cause any concern.
    连锁膝关节是相当正常的健康儿童下，六岁以下的，并应不会引起任何的关注。

noun