function of shoulder joint的用法和樣例：
例句
- PDGF-BB improved the function of the aging degenerative joint in the end.
軟骨下骨成骨功能活躍，新骨形成，最終使退變的關(guān)節功能改善。 - Bipolar radiofrequency was helpful in cleaning out of preventing knee joint hematoma and favoring rehabilitation.
雙極射頻能夠徹底清除滑膜，有利于減少關(guān)節血腫的發(fā)生，促進(jìn)關(guān)節功能康復。
