主题：【原创】春日德克萨斯原野上的野花 -- 东湖珞珈

Bluebottle:

any of several blowflies (genus Calliphora) that have the abdomen or the whole body iridescent blue in color and that make a loud buzzing noise in flight

Bluebonnet:

either of two low-growing annual lupines (Lupinus subcarnosus or L. texensis) of Texas with silky foliage and blue flowers