#改變光線/顏色
#傳遞光訊號（可見光譜）
#Modify light/colors
#Send light signals in the visible spectrum
色素顆粒創造顏色 (Pigment granules create colors)
豆娘的身體有來自色素顆粒結構性排列的艷麗金屬顏色
(The bodies of damselflies have brilliant metallic colors derived from structural arrangement of pigment granules.)
