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来源:雅诚德英语网
The type of vegetation in a specific region is determined by identifying and counting the various pollen grains found there.
一个特定地区的植被类型是通过识别和计算那里发现的各种花粉粒来确定的。
The type of vegetation in a specific region is determined by identifying and counting the various pollen grains found there.
一个特定地区的植被类型是通过识别和计算那里发现的各种花粉粒来确定的。