Zhè zhǒng yào de yàolǐ zuòyòng hái zài yánjiū zhōng.
The pharmacological effect of this drug is still under study.
Tips
usage
Most often appears in compounds: 药理学 (pharmacology, the academic discipline), 药理作用 (pharmacological effect / mechanism of action), 药理实验 (pharmacological experiment). 药理 alone is the abstract "how the drug works" — adding 学 makes it the field.