body stalk

例句：

1. 1. The scientist used a body stalk to test the strength of the material.
   这位科学家用一根身体支柱来测试材料的强度。
2. 2.The tall tree provided a strong body stalk for the birds to rest on.
   那棵高大的树为鸟儿提供了坚固的身体支柱休息。
3. 3. The old man used his body stalk as a walking stick to get around.
   那位老人用他的身躯作为拐杖来行走。