ratproofing

例句：

1. 1. To keep rats away from the kitchen, we installed a rat-proofing system.
   为了不让老鼠进入厨房，我们安装了一套防鼠系统。
2. 2. The company has been implementing rat-proofing measures to reduce rodent infestations.
   该公司一直在实施防鼠措施，以减少鼠害。
3. 3. The new building is equipped with advanced rat-proofing technology to prevent pests from entering.
   这座新建筑配备了先进的防鼠技术，以防止害虫入侵。