hemophilia

由于血友病，即使很小的伤口也会导致他流血不止。

Because of ___hemophilia, even a small wound causes him to bleed excessively.

他的儿子遗传了血友病，所以轻微的割伤也可能导致长时间流血。

His son inherited ___hemophilia, so even a minor cut could lead to prolonged bleeding.