But this is the first time that an animal has been shown to use moonlight - which is around a million times dimmer - as a compass.
But this is the first time that an animal has been shown to use moonlight - which is around a million times dimmer - as a compass.
但是这是首次一只动物显示使用月光-它是大约一百万倍调光器-有如一个罗盘。