flat deck poultry cage

例句：

1. 1. The chickens are kept in the flat-bottomed chicken coop to ensure they have enough space and fresh air.
   这些鸡被饲养在平底的鸡笼里，以确保它们有足够的空间和新鲜空气。
2. 2. The farmer has built a new flat-bottomed poultry cage for his new flock of chickens.
   这位农民为他的新的鸡群建造了一个新的平底家禽笼。
3. 3.The flat-bottomed poultry cage is designed to keep the birds warm and dry during cold weather.
   这种平底家禽笼的设计是为了在寒冷天气中保持鸟类温暖和干燥。