"It is quite clear they are declining, " said Stefan Ineichen, a researcher who studies fireflies in Switzerland and runs a Web site to gather information on firefly sightings.

StefanIneichen，一位在瑞士研究萤火虫的科学家，还办了一家收集目击萤火虫信息的网站。 他感慨道：“很清楚，萤火虫在变少。

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"It is quite clear they are declining, " said Stefan Ineichen, a researcher who studies fireflies in Switzerland and runs a Web site to gather information on firefly sightings.

StefanIneichen，一位在瑞士研究萤火虫的科学家，还办了一家收集目击萤火虫信息的网站。 他感慨道：“很清楚，萤火虫在变少。

youdao