keflex

例句：

1. 1. 可曲挠管
   Keflex
2. 1. The Keflex pipe is easy to use and provides a comfortable smoking experience.
   Keflex管道易于使用，提供了舒适的吸烟体验。
3. 2. The Keflex system allows for easy adjustments in temperature and humidity.
   Keflex系统允许轻松调整温度和湿度。
4. 3. The Keflex valve is designed to be easily replaced without affecting the overall system.
   Keflex阀门设计为易于更换，不影响整个系统。