例句與造句

1. The first and last appearances of particular fossil species represent specific moments in geological time
   第一個(gè)以及最后一個(gè)出現(xiàn)的特定化石物種代表了在地質(zhì)時(shí)間中的特定一段時(shí)間。
2. Comparison with two species of ruppia in the age of miocene from europe indicates the existence of three fossil species from miocene to pliocene and from europe to east asia stratigraphically and geographically
   榆社川蔓藻將川蔓藻屬的第三紀(jì)地理分布范圍從歐洲延伸到了東亞，并且填補(bǔ)了它在上新世地層的空缺。
3. It could be evident that the age of cave fauna is the mid - late pleistocene , according to the three fossil species comparing with those of other fossil faunas related sites and according to the river terraces analysis near by luohe river
   “陜西洛南張坪田鼠類化石研究”就是這項(xiàng)工作的一小部分，目的是為認(rèn)識(shí)秦嶺的隆升及環(huán)境變遷提供更多的證據(jù)。
4. It's difficult to find fossil species in a sentence. 用fossil species造句挺難的