5 sentences

1. 这种药的药效非常显著。

   zhè zhǒng yào de yào​xiào fēi​cháng xiǎn​zhù.

   The efficacy of this drug is very significant.

   Source: Dong Chinese Dictionary

2. 这种药的药效非常持久。

   zhè zhǒng yào de yào​xiào fēi​cháng chí​jiǔ.

   The effect of this medicine is very long-lasting.

   Source: Dong Chinese Dictionary

3. 药效发挥后，脸上的红肿开始消退。

   yào​xiào fā​huī hòu, liǎn shàng de hóng​zhǒng kāi​shǐ xiāo​tuì.

   Once the medicine took effect, the swelling on the face began to subside.

   Source: Dong Chinese Dictionary

4. 这些草药需炮熟再入药，药效会更好。

   zhè​xiē cǎo​yào xū páo shú zài rù​yào, yào​xiào huì gèng hǎo.

   These herbs need to be processed with heat before being used in medicine for better efficacy.

   Source: Dong Chinese Dictionary

5. 这种药物通过与细胞表面的受体结合来发挥药效。

   zhè zhǒng yào​wù tōng​guò yǔ xì​bāo biǎo​miàn de shòu​tǐ jié​hé lái fā​huī yào​xiào.

   This drug works by binding to receptors on the cell surface.

   Source: Dong Chinese Dictionary