noun 下载 🔗分享 萤火虫,夜光虫 Any beetle of the family Lampyridae, which exhibit bioluminescence during twilight. Examples : "Sentence: "On warm summer evenings, we watched the fireflies blink their lights in the backyard." " 在温暖的夏夜里,我们常常在后院看萤火虫一闪一闪地亮着光芒。 insect animal nature biology organism environment 与AI对话词汇游戏阅读练习