yīshēng / gěi / tā / zhùshè / le / jiàngxuègàisù / yǐ / jiàngdī / xuèyè / zhōng / de / gài / nóngdù

医生给他注射了降血钙素，以降低血液中的钙浓度。

The doctor injected him with calcitonin to lower the calcium concentration in the blood.