hes·per·or·nis英ˌhespə'rɔːnɪs美ˌhespə'rɔːnɪsBNC²³⁶²¹³⁺¹ 基本例句 n.古生化石见于北美洲大陆黄昏鸟 These feathers, then, presumably adorned a diving bird— perhaps Hesperornis, a flightless North American diver from precisely this period. 这些羽毛想必当时是归潜鸟所有——也许是“黄昏鸟”，一种恰好生活在这一时期不会飞翔的北美潜鸟。 fjcet