microfossil

英 [ˌmaɪkrəʊ'fɒsl] 美 [ˌmaɪkroʊ'fɒsəl]

• n. 微体化石；微化石

英英释义

Noun:

1. a fossil that must be studied microscopically

例句

用作名词 (n.)

1. No creditable macrofossil record of the Fagaceae exists in the Cretaceous deposits and all the Cretaceous microfossil reports remain equivocal and require further study.
   白垩纪尚无壳斗科可靠的大化石记录，微化石需要进一步研究才能确定亲缘关系以及古新世壳斗科已经分化出两个类群。