late cretaceous

常見例句

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
• These devices are akin to the mammals of the late Cretaceous, ready to dominate the post-dinosaur world.
  FORBES: Microsoft Paradox: Can Windows Be Everywhere and Nowhere at the Same Time?
• My piece is set in the late Cretaceous period, 65 million years ago (give or take a few).
  FORBES: Prototyping The Distant Future
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