A number showing position in a series. 序数。 "First," "second," and "third" are ordinals. “第一”、“第二”、“第三”均为序数。 A book containing certain church forms and services. 教会礼书。 Noting succession in a series. 指示次序的。 Belonging to a class, as of plants, animals, etc. 【动】【植】属于某目的。 |