polyculture的用法和樣例：
例句
- There are advantages and disadvantages to both monoculture and polyculture farming systems.
有優(yōu)點(diǎn)和缺點(diǎn)都單一和混養耕作制度。 - Polyculture is sustainable because it recycles and reuses all of its resources in order to be as efficient as possible with its resources.
混養是可持續的，因為它回收和重復使用的所有資源，以便為有效地與本國的資源。
