护士在手术前给我服用了非那根以防止恶心。

The nurse gave me ___Phenergan before surgery to prevent nausea.

医生建议我在睡前服用一些非那根来帮助入睡。

The doctor suggested I take some ___Phenergan before bed to help me fall asleep.

医生在手术前给病人注射了异丙嗪以增强麻醉效果。

The doctor gave the patient ___Phenergan before the operation to enhance the anesthesia.