late cretaceous

基本解釋

• 晚白堊世

英漢例句

雙語(yǔ)例句

• "The ancient drainage systems are thought to have originated in the wet climate of the late Cretaceous, they are that old, " Hutchinson said.
  Hutchinson說，這些古老的排水系統(tǒng)是在白堊紀(jì)晚期為了應(yīng)付潮濕的氣候而被想到的，它們已經(jīng)是這樣的久遠(yuǎn)。
• This story, though, raises the question of why there is but a single ejecta layer of iridium and shocked quartz in late Cretaceous rocks around the world.
  然而，查特基博士的說法引發(fā)了疑問：為什么全球白堊紀(jì)晚期巖石中含有沖擊石英和銥的噴發(fā)物地層只有一層？ 答案或許是，兩次撞擊是在同時(shí)發(fā)生的。
• Among its prey would have been insects, small mammals, amphibians and possibly small dinosaurs that lived in the swamps and forests of the late Cretaceous.
  它所能捕食的獵物包括昆蟲、小型哺乳動(dòng)物、兩棲動(dòng)物以及可能生活在沼澤和森林后白堊紀(jì)的小型恐龍。

原聲例句

• These creatures lived more than sixty-five million years ago, during Earth's late Cretaceous period.
• Scientists say it formed when high sea levels flooded the middle of North America, splitting the continent in two for millions of years during the late Cretaceous period.
• The Tyrannosaurus lived in North America during the late Cretaceous Period.

權(quán)威例句

• One confounding factor is that the late Cretaceous was also a period of great volcanic activity.
  ECONOMIST: Mass extinctions

• late cretaceous更多例句

詞組短語(yǔ)

短語(yǔ)

• The Variation of Late Jurassic -Cretaceous 河南省熊耳山地區(qū)晚侏羅世
• Late Triassic -Early Cretaceous 晚三疊世
• late jurassic -early cretaceous epoch 晚侏羅
• Late Jurassic -Early Cretaceous geodynamic setting 岡底斯中北部晚侏羅世
• Late Cretaceous -Paleocene 晚白堊世古新世

• late cretaceous更多詞組

專業(yè)釋義

地球科學(xué)

• 晚白堊世

  The thermodynamic subsidence was the genetic mechanism of the late cretaceous basin with river-lake deposition system in some aera.
  晚白堊世,僅在少數(shù)地區(qū)發(fā)育河流—湖泊沉積體系,屬熱沉降坳陷盆地。

• 白堊紀(jì)

  From the late Cretaceous period to Oligocene, it happened the first of uplift in the Qingzang plateau in the condition of squeezing between India plate and euroasia plate. The speed of uplift was very slow.
  藏北地區(qū)青藏高原自白堊紀(jì)以來發(fā)生了三次較大的隆升和兩次夷平作用,在此過程中并伴隨著相應(yīng)的環(huán)境變化:①白堊紀(jì)末期—漸新世是青藏高原第一期隆升階段,由于印度板塊持續(xù)向北逆沖,白堊紀(jì)末期青藏高原開始了第一階段的緩慢隆升,在測(cè)區(qū)內(nèi)表現(xiàn)為沱沱河組的類磨拉石碎屑巖沉積。

  生物學(xué)

• 晚白堊世

  Placenticeras was widely distributed in the world during the late Cretaceous.
  糕菊石是晚白堊世世界范圍內(nèi)分布的屬。 其化石有重要的地層學(xué)價(jià)值。