膝盖 (xī gài): Knee (Noun) — Meaning & Stroke Order

Haven't you noticed that your knee aches faintly on rainy days?

Despite the high intensity of training, his knee did not show any signs of discomfort.

The doctor advised her to do knee stretches every day to relieve the pain.

Because he injured his knee when he was young, he is now extra careful when going up and down stairs.