double-strength

例句：

1. 1. This product has a double-strength formula that can provide you with twice the benefits of regular products.
   这款产品采用了双倍强度配方，可以提供普通产品的两倍效益。
2. 2. The company offers a triple-strength antivirus software to protect your computer from viruses and malware.
   该公司提供了三倍强度的防病毒软件，以保护您的计算机免受病毒和恶意软件的侵害。
3. 3. The new model has a quadruple-strength battery life, providing up to four times longer usage than itspredecessor.
   新款模型拥有四倍强度的电池寿命，其使用时间比前一代产品长四倍。