you're going to lose a little bit of the salt through your urine.

在尿中你会损失一点点盐
It can't recover 100% of the salt,

不可能把所有盐都回复回来
so you're going to lose a little bit of salt through your urine.

所以尿里会损失一点盐
If you didn't eat any salt then your sodium concentration is going to drop,

如果一点盐都不吃你的钠浓度就会下降
it would want to drop.

它理所当然会下降
Your body won't allow that to happen, the kidneys won't allow that to happen.

身体不会允许这种情况发生肾脏不会允许
If it notices that you're sodium concentration is going down

如果它发觉钠浓度在下降
but you're not bringing any more sodium in,

而你没有摄入任何钠
how else can it change the concentration?

它还有什么办法能够改变浓度呢
It could decrease the volume of water in your body

它能够减少身体的含水量
so it could produce more watery urine, or urine with more water in it.

因此会产生更稀的尿或者含更多水的尿
Try this experiment, don't eat any salt,

试试这个实验一点盐都不吃