它们提供能量、提高免疫力、保持皮肤健康、帮助维持大脑和神经系统良好工作状态，他们还部分参与组织的调控和修复。

They provide energy, boost the immune system, keep skin healthy, help keep the brain and nervous system in good working order, and they play a part in control and repair of tissues.

youdao

它们提供能量、提高免疫力、保持皮肤健康、帮助维持大脑和神经系统良好工作状态，他们还部分参与组织的调控和修复。

They provide energy, boost the immune system, keep skin healthy, help keep the brain and nervous system in good working order, and they play a part in control and repair of tissues.

youdao