cat flap

例句：

1. 1. The cat flap is designed to allow cats to enter the house without being seen.
   猫耳盖设计成能让猫不被发现地进入房子。
2. 2. The cat flap was installed in the kitchen door to prevent mice from getting in.
   在厨房门上安装了猫耳盖以防止老鼠进入。
3. 3.The cat flap is a common feature on many modern cars, allowing cats to be carried inside without causing damage to the vehicle.
   许多现代汽车上常见的猫耳盖，允许猫咪被携带进车内而不会损坏车辆。