strengthen agent的用法和样例：
例句
- Incense sticks are also commonly used in everyday life as air fresheners and in aromatherapy as mood enhancer or stress relieving agent.
印度长香同样普遍用于日常生活当中作为空气净化剂，用在香料按摩作为心境增强剂或者作为压力减轻剂。 - The graft copolymer of cationic starch and APAM with narrow molecular weight distribution was prepared and used for dry-strengthening agent.
用阳离子淀粉接枝窄相对分子质量阴离子聚丙烯酰胺制备干增强剂。
