perorally administration的用法和樣例：
例句
- Oral medication is more convenient, but associated with a higher rate of systemic side effects than vaginal administration.
口服給藥更為方便，但相對陰道局部給藥，系統性副作用更大。 - Oral is preferred to local vaginal therapy since systemic administration achieves therapeutic drug levels in the urethra and periurethral glands.
口服給藥相對于局部用藥更能達到尿道及尿道旁腺系統性藥物治療的目的。
