This shortage can cause weak, deformed fingernails and toenails and hair that falls out in clumps.

维生素缺乏会导致手指甲、脚趾甲薄弱畸形，头发大量脱落。

youdao

This shortage can cause weak, deformed fingernails and toenails and hair that falls out in clumps.

维生素缺乏会导致手指甲、脚趾甲薄弱畸形，头发大量脱落。

youdao