strengthen agent的用法和樣例：
例句
- Incense sticks are also commonly used in everyday life as air fresheners and in aromatherapy as mood enhancer or stress relieving agent.
印度長(cháng)香同樣普遍用于日常生活當中作為空氣凈化劑，用在香料按摩作為心境增強劑或者作為壓力減輕劑。 - The graft copolymer of cationic starch and APAM with narrow molecular weight distribution was prepared and used for dry-strengthening agent.
用陽(yáng)離子淀粉接枝窄相對分子質(zhì)量陰離子聚丙烯酰胺制備干增強劑。
