podarthrum

例句：

1. 1.The doctor advised him to wear a brace on his injured foot.
   医生建议他受伤的脚上戴个支架。
2. 2. He carefully examined the podarthrum of the injured animal.
   他仔细检查了受伤动物的足部。
3. 3.The podarthrum is the part of the foot that supports the weight of the body.
   足部是支撑身体重量的部分。