vt.包；插入鞘；覆
=sheath.
The human body needs iron to capture oxygen, copper and chromium to absorb energy, cobalt to sheathe our nerves and zinc to help our genes. 人体需要铁来捕捉氧，需要铜与铬来吸收能量，需要钴来包覆我们的神经，又仰赖锌协助基因。
The human body needs iron to capture oxygen, copper and chromium to absorb energy, cobalt to sheathe our nerves and zinc to help our genes. 人体需要铁来捕捉氧，需要铜与铬来吸收能量，需要钴来包覆我们的神经，又仰赖锌协助基因。
vt.抽出鞘；拔出
vt.抽出鞘；拔出
