She rode her bicycle to the census site and spent as much of her weekends as possible mapping the birds' locations by their calls.
她骑着自行车去普查地点，把尽可能多的周末时间用来根据鸟的叫声绘制鸟的位置。
She rode her bicycle to the census site and spent as much of her weekends as possible mapping the birds' locations by their calls.
她骑着自行车去普查地点，把尽可能多的周末时间用来根据鸟的叫声绘制鸟的位置。
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