They begin to learn about the compost heap, and about biodiversity.

他们开始了解肥料堆积和生物多样性。

Throw the potato peelings on the compost heap.

把土豆皮扔到肥料堆上。

A plastic sheet was pegged down over the compost heap to hasten decomposition.

把塑料布覆盖在肥堆上，并用木桩固定好，以加速肥料的分解。

Team actions - it can be rewarding to take an action as a group, for example helping one member to build a compost heap.

团队行动——作为一个团队，一起采取行动是很益的事，比如，帮助一个队员进行垃圾的堆肥发酵。

Through the window she could see the outline of the narrow garden, the fuzzy grey shapes of a rusting climbing frame and overflowing compost heap.

透过窗户，可以看见窄窄的花园轮廓，还有锈迹斑斑的攀爬架模糊、灰暗的身影和满满的肥料堆。