您的牙龈是不明原因的出血吗？

Did the gums bleed for no apparent reason at all?

youdao

他也有不明原因的出血和抱怨他的脖子上的金属芯片。

He also has unexplained bleeding and complains about a metal chip in his neck.

youdao

他也有不明原因的出血和抱怨他的脖子上的金属芯片。

He also has unexplained bleeding and complains about a metal chip in his neck.

youdao