If you have thick blood, if you get wounded, if you cut your skin, you're more likely to form a blood clot, as in, on the outside of the skin, so it's less likely, you're less likely to bleed out.
如果你的血液凝固了,如果你受伤了,如果你割伤了你的皮肤,你就更有可能形成一个血块,就像在皮肤的外面,所以你不太可能流血。