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
it means you probably can't go to the dining hall

也就意味着你恐怕一整天不能去食堂
but if you don't eat any salt for a day you will notice

但如果一天不摄入一点盐你就会发现
that you're producing more urine.

产生的尿变多了
If you weight yourself in the morning and you weigh yourself at night,

如果分别在早上和晚上称体重
your weight will go down over the course of one day.

你的体重会随着这一天的进程降低