knees bent 弯曲膝盖
knees together 并拢膝盖
on one's knees 跪着
weak in the knees 膝盖发软
knee pain 膝盖疼痛
1. He held his knees while waiting for the bus.
等公交车时，他抱着膝盖。
2. The runner had sore knees after the marathon.
马拉松赛后，那名跑者的膝盖很疼。
3. She dropped to her knees in exhaustion.
她因精疲力竭而跪倒在地。
4. Wear knee pads to protect your knees while skating.
滑冰时戴上护膝以保护你的膝盖。
5. The old man supported his knees as he climbed the stairs.
老人扶着膝盖上楼。
A: Do your knees hurt when you run?
A：你跑步时膝盖疼吗？
B: Yes, I need to stretch before exercise to avoid pain.
B：是的，为了避免疼痛，我需要运动前拉伸。
1) 膝盖的复数形式，指双膝。
2) 用于描述膝盖部位的动作，如跪下（on one's knees）。
3) 医学语境中指膝盖关节及其相关结构。
4) 体育装备语境中指护膝或膝盖保护部位。
1. [n.] 膝盖（复数）
e.g.
He rubbed his knees after the long walk.
长途行走后，他揉了揉膝盖。
noun
1. plural of knee; the joint connecting the thigh to the leg in humans and other animals.
Synonym: knees (plural form of knee)