如何使用 "purgative" 造句

1. Influence of ethyl alcohol on purgative action of rhubarb .
乙醇处理工艺对大黄致泻活性的影响。
2. Castor oill is a strong purgative .
蓖麻油是一种强泻药。
3. Senna leaf is a strong purgative that is commonly used for constipation .
番泻叶是一种强烈的下法,就是常用的便秘。
4. How does a purgative or laxative act ?
请问一泻或泻药行为呢?
5. Introduce various types of commonly used chinese herbal formulas , such as : relieving agents , purgative agents and expectorant agents etc. , as well as their pharmacological effects and application .
介绍各类常用之方剂,如:解表剂、泻下剂、祛痰剂等的药理及应用。