等於快門就一下，但曝光時間長，6秒，so，firefly will light up its abdomen at a rate

來源: beautifulwind 於 2021-06-06 16:28:46 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

“A male firefly will light up its abdomen at a particular rate or wavelength”