持续吸引大量的鸟类到同一地点对它们来说是有害的,尤其是那些在被其他鸟类粪便污染的土地上觅食的鸟类。
Attracting numbers of birds continually to the same spot can be harmful to them, particularly species that pick food from the ground contaminated by the droppings of other birds.
据鸟类粪便走,它们是你的院子有鸟鸟和你们蓟馈线保证您看粪便。
As far as bird droppings go, they are part of having birds in your yard and your thistle bird feeder guarantees you'll see droppings.
鸟类粪便落到油漆上时,酸性物质会腐蚀油漆。侵蚀时间越久对油漆的危害越大。
When bird droppings fall on the paintwork, the acid begins to burn and etch the paint. The longer the bird droppings remain, the greater the damage.
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