1.
To go down or rest on one or both knees.
曲膝，下跪使单膝或双膝落下或着地
2.
He cringed to his superiors.
他对上司卑躬曲膝。
3.
Crouch down
曲膝弯腰以便少占地方，卷缩，弯腰低头
4.
knee joint flexion and extension exerciser
膝关节弯曲伸长训练器
5.
bent his knees and knelt;
弯曲他的双膝跪下；
6.
have legs that curve outward at the knees.
双腿在膝盖处向外弯曲。
7.
Hold thigh behind knee and bring one knee up to chest. Hold 20 seconds.
单膝向胸部收缩。——平躺，双膝弯曲。膝盖上提，单膝靠近胸部，保持20秒。
8.
Having kneelike joints;able to bend at an abrupt angle.
膝状的有膝状关节的；能以较陡的斜度弯曲的
9.
the act of bending the knees in worship or reverence.
崇拜或者尊敬时弯曲双膝的动作。
10.
He crouched, tucking his knees under his chin.
他蜷曲着,把两个膝盖缩拢在颚下。
11.
Touch your toes without bending your knees.
用手够到你的脚趾, 膝盖别弯曲.
12.
The large muscle at the back of the thigh that flexes the knee joint.
大腿后侧使膝关节屈曲的大型肌肉。
13.
knee-type milling machine for working metal ,numerically controlled
铣床,膝曲式,用于金属加工,数字控制式
14.
Treatment of Flexion Contracture of the Knee (FCK) Using the Gypsum Opening Device(GOD) of Knee Joint;
应用石膏撑开器治疗膝关节屈曲挛缩
15.
Something resembling the human knee, such as a bent piece of pipe.
膝状物类似于人的膝关节的东西，例如管子的弯曲部分
16.
In the tuck position,a diver's Body shall be compact,Bent at the knees and hips with the knees and feet together,hands 0n the lower legs and the toes pointed.
在抱膝姿势中,运动员身体团紧,膝髋弯曲,双膝、双脚并拢,两手置于小腿处,脚尖绷直。
17.
a swimming kick; the legs are moved rapidly up and down without bending the knees.
一种游泳的踢；腿快速上下活动而膝盖不弯曲。
18.
bending the head or body or knee as a sign of reverence or submission or shame.
点头、弯曲身体或者膝盖，表示尊敬、屈服或者羞耻。