lean-to roof

例句：

1. 1. The old house has a lean-to roof that provides some protection from the rain.
   这所旧房子有一个简易屋顶，可以提供一些雨水的保护。
2. 2.The shelter was made of wood and had a lean-to roof for added warmth.
   这个避难所是用木头做的，还有一个简单的屋顶来增加保暖。
3. 3. The farmer built his lean-to roof to protect his crops from the harsh winter winds.
   这位农民建造了他的简易屋顶，以保护他的庄稼免受严寒的冬季风的影响。