a unused slhlisting 洁净的黑板
The suggested theory is that a plant community becomes more susceptible to invasion whenever there is an increase in the amount of unused resources.
提出的理论是,当未利用资源数量增加时,植物群落更容易受到入侵。
Let's suppose that a group of these fish had the genetic flexibility to discover and feed off another resource that was unused by the other fish.
我们假设这些鱼中的其中一组具有遗传的灵活性,可以发现并取食另一种未被其他鱼利用的资源。
If your back garden shed is cluttered with a broken lawnmower, rusty bicycles and a range of unused garden tools then prepare to be amazed.
如果你的后院仓库堆积着破旧的割草机、生锈的自行车以及一堆用不上的园艺工具,那么请准备好被惊艳吧。
And if they do, it can be very expensive. So we see unused space as a great place to grow food that will make it more accessible for people."
VOA: special.2010.07.06
Store the unused part in the refrigerator in a plastic bag.
VOA: special.2009.04.28
A project in South Africa, Project Masiluleke, put an HIV awareness message in the unused space of certain text messages.
VOA: standard.2010.02.24
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