4 sentences for 关节 (guān​jié — joint)

1. 你能够看到指骨和关节。

   nǐ néng​gòu kàn​dào zhǐ​gǔ hé guān​jié.

   You can see the finger bones and the joints.

   Source: OpenSubtitles

2. 医生成功地为病人植入了人工关节。

   yī​shēng chéng​gōng de wèi bìng​rén zhí​rù le rén​gōng guān​jié.

   The doctor successfully implanted an artificial joint in the patient.

   Source: Dong Chinese Dictionary

3. 由于长期劳作，他的手指关节有些变形。

   yóu​yú cháng​qī láo​zuò, tā de shǒu​zhǐ guān​jié yǒu​xiē biàn​xíng.

   Due to long-term labor, his finger joints have become somewhat deformed.

   Source: Dong Chinese Dictionary

4. 膝盖骨位于膝关节的前方，起到了保护关节的作用。

   xī​gài​gǔ wèi​yú xī guān​jié de qián​fāng, qǐ​dào le bǎo​hù guān​jié de zuò​yòng.

   The kneecap is located at the front of the knee joint and serves to protect it.

   Source: Dong Chinese Dictionary