2 sentences

1. 前臂是肘部和手腕之间手臂的部分。

   qián​bì shì zhǒu​bù hé shǒu​wàn zhī​jiān shǒu​bì de bù​fen.

   The forearm is the part of your arm between the wrist and elbow.

   Source: CCMatrix

2. 弯曲你的肘部，开始将你的身体降低到地板上。

   wān​qū nǐ de zhǒu​bù, kāi​shǐ jiāng nǐ de shēn​tǐ jiàng​dī dào dì​bǎn shang.

   Bend your elbows and begin to lower your body down to the floor.

   Source: CCMatrix