lightning bug
萤火虫（等于firefly）
同义词
参考例子
1.The difference between the right word and the almost right word is the difference between lightning and a lightning bug.
正确的词语和几乎正确的词语之间的差别就好像闪电和萤火虫的差别一样。
2.The difference between the right word and the almost right word is the difference between lightning and the lightning bug.
用得正确的词语与差不多正确的词语之间的分别，等于是闪电与萤火虫之间的分别。
3.The difference between the right word and the almost right word is the difference between lightning and the lightning bug.
正确的词语与差不多正确的词语之间的分别，等于闪电与萤火虫之间的分别。
英文解释
n.
1.nocturnal beetle common in warm regions having luminescent abdominal organs
网络释义
lightning bug
萤火虫;
firebug firefly fireworm glowworm lightning bug
萤火虫;