第三人称复数：fireflies
firefly基本解释
名词萤火虫
firefly词典解释
1.
2. 萤火虫
A firefly is a type of beetle that produces light from its body.
firefly英英释义
noun
1. nocturnal beetle common in warm regions having luminescent abdominal organs
Synonym: lightning bug
2. tropical American click beetle having bright luminous spots
Synonym: fire beetlePyrophorus noctiluca