单词 ephemerid 释义 ▪ I. ephemerid|fmrd|[ad. mod.L. Ephmerid, f. ephmera.]An insect belonging to the group Ephemerid: see ephemera2. Also fig.1872Nicholson Palont. 186 The Haplophlebium Barnesii must have attained a size much larger than that of any rec...