chemical therapy的用法和樣例：
例句
- But chemical treatment for brain cancer is complex because of the protective blood-brain barrier.
但是腦癌的化療方法很複雜，因為其受保護的大腦血液的關卡。 - In the absence of a clinical trial adjuvant chemotherapy and radiation therapy may be considered on an individual basis.
對於那些未進行臨床試驗的患者，放療聯合化療的給予要按照個體化原則來進行。
