詞語：hesperornis
hesperornis的解釋
hesperornis[,hespə'rɔ:nis]n. [古生]黃昏鳥
hesperornis的意思
hesperornis 黃昏鳥;黃昏鳥屬;
hesperornis的參考例句
1.Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous. 黃昏鳥是一種已經滅絕的不會飛翔的水鳥，生活在白堊紀晚期。
2.Unable to fly or walk, Hesperornis needed to be wary of predators: sharks and plesiosaurs at sea, dinosaurs and pterosaurs on land. 由於不能飛也不能步行，黃昏鳥需要警惕掠食者們：水中有鯊魚和蛇頸龍， 岸上有恐龍和翼龍。
3.Ungainly and vulnerable on land - Hesperornis couldn't walk - they crowded together in colonies for safety and chose inaccessible rocky outcrops. 它們不能行走，在岸上顯得笨拙而脆弱，故而聚集在一起以尋求安全，並選擇難以接近的多石地形。