man-made造句

He decided to do something about reforesting man-made wastes of western Australia.
他决定为在澳大利亚西部人为导致荒芜的土地上重新造林做点事情。

Cats positively revel in heat, whether natural or man-made.
猫确实喜暖,不管是自然的还是人工创造的温暖环境。

These man-made barriers will ensure a very high degree of protection.
这些人造屏障将会确保提供高度的保护。