hesperornis

英 [ˌhespə'rɔːnɪs] 美 [ˌhespə'rɔːnɪs]

• n. [古生](化石见于北美洲大陆)黄昏鸟

hesperornis的用法和样例：

例句

用作名词 (n.)

1. Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.
   黄昏鸟是一种已经灭绝的不会飞翔的水鸟，生活在白垩纪晚期。
2. Hesperornis is shown as being covered in scales when in real life, Hesperornis was likely covered in feathers.
   电视里的黄昏鸟到达现时生活时，身披鳞片，其实远古黄昏鸟身上很有可能长满羽毛。