Các câu ví dụ cho từ knee

1. Two days later, the woman was able to bend and extend her knee normally, something she had not been able to do for a long time.

2. Nguyen Khac Trang, Head of General Surgery, Central Lung Hospital, said that replacing the patient's knee with an artificial knee is one of the most advanced techniques in the medical industry and the last operation was the first success.