在最新的一项研究中，我和我的同事们展示给人们2800副印有日常物件的图片，例如各种背包以及面包机，每个图片展示3秒钟。
In a recent study my colleagues and I showed people 2,800 pictures of common objects, such as backpacks and toasters, for three seconds apiece.
利用旧背包来存放各种工具，你就可以解决这个问题。
You can solve this problem by making use of your old backpacks to store all kinds of tools.
在徒步途中，导游为我们指出各种树木和植物，还有可恶的猴子，它们会从树上拉下枝条向我们的背包发起攻击，偷出包中的瓶装水。
On the trek, our guide points out plants and trees, as well as spiteful monkeys who hurl twigs from the trees and mount daring ram raids on our backpacks to steal our water bottles.
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