We could see a bluebottle on the rock. 我们能看见一只绿头苍蝇在岩石上.
bluebottle
[ noun ]
an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers
<noun.plant>
blowfly with iridescent blue body; makes a loud buzzing noise in flight
<noun.animal>
Bluebottle \Blue"bot`tle\, blue-bottle \blue-bottle\, n. 1. (Bot.) an annual Eurasian plant ({Centaurea cyanus}) which grows in grain fields; -- called also {bachelor's button}. It receives its name from its blue bottle-shaped flowers. Varieties cultivated in North America have showy heads of blue or purple or pink or white flowers