用南美产坚果打造成的果实钮，早于二次大战时已在制作军服上被采用，当时主要是就地取材，成本低，而且硬度非常够；

Made from South American nuts, corozo has been used in military uniforms ever since World War II. At that time, corozo was used because it was local, cheap and tough for the purpose.

youdao

用南美产坚果打造成的果实钮，早于二次大战时已在制作军服上被采用，当时主要是就地取材，成本低，而且硬度非常够；

Made from South American nuts, corozo has been used in military uniforms ever since World War II. At that time, corozo was used because it was local, cheap and tough for the purpose.

youdao