动物将其行为重新定向给另一个对象，在本例中另一个对象就是植物或灌木。
The animal is redirecting its behavior to another object, in this case, the plant or the bush.
"热带稀树草原位于热带地区，海拔较低，是一种稳定的生态系统，由广阔的草地和稀疏分布其中的树木或灌木组成，有些地区湿润，有些地区干燥。
Located in tropical areas at low altitudes, savannas are stable ecosystems, some wet and some dry consisting of vast grasslands with scattered trees or shrubs.
如果你发现自己在沙漠里，蹲在树或灌木后面几乎是不可能的。
If you find yourself in the desert, squatting behind a tree or shrub is hardly an option.
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