noun 下载 🔗分享 军舰鸟 Any of five species of bird in the genus Fregata, the only genus in the family Fregatidae. Examples : "The tourist pointed to a dark bird soaring effortlessly above the ocean and asked, "Is that a frigatebird?" " 那位游客指着一只在海面上轻松翱翔的黑色鸟，问道：“那是不是军舰鸟？” bird animal nature organism biology ecology 与AI对话词汇游戏阅读练习
