您要查找的是不是：
- From the view of stratigraphy, they all belong to the Cretaceous period. 從地層學(xué)上看，它們都屬于白堊紀。
- From the view of stratigraphy, they all belong to the Cretaceous period . 從地層學(xué)上看，它們都屬于白堊紀。
- Any of various extinct, toothed birds of the genus Ichthyornis that existed during the Cretaceous Period. 魚(yú)鳥(niǎo)生存于白堊紀，現已滅絕的有牙齒的魚(yú)鳥(niǎo)屬動(dòng)物
- The prehistoric reptile lived in the Cretaceous period, about 125 million years ago. 這只史前爬行動(dòng)物生活在約一億兩千五百萬(wàn)年前的白堊紀。
- The prints are believed to have been made during the Cretaceous period of the Mesozoic Era, Kim said in a statement. 這些足跡被認為是在中生代白堊紀時(shí)期由當時(shí)鳥(niǎo)類(lèi)留下的。
- This clam fossil is from the Cretaceous Period, approximately 100 million years ago. 這個(gè)蛤化石來(lái)自大約一億年以前的白堊紀時(shí)期.
- Any of various plant-eating, amphibious sauropod dinosaurs of the genus Titanosaurus, common during the Cretaceous Period especially in South America. 雷龍一種泰坦龍，食草的水陸兩棲蜥腳類(lèi)恐龍，在白堊紀的南美尤為常見(jiàn)
- Pterosaurs became extinct 65 million years ago, at the end of the Cretaceous Period. 翼龍滅絕六千五百萬(wàn)年前，在去年底的白堊紀時(shí)期。
- Paleoclimate in the Cretaceous period was characterized by space-time inhomogeneity. 指出白堊紀古氣候具有時(shí)間上和空間上的不均勻性;
- Any of various plant - eating,amphibious sauropod dinosaurs of the genus Titanosaurus,common during the Cretaceous Period especially in South America. 雷龍一種泰坦龍，食草的水陸兩棲蜥腳類(lèi)恐龍，在白堊紀的南美尤為常見(jiàn)
- A member of the Dromaeosauridae of dinosaurs, it was a bird-like theropod dinosaur, which flourished during the Cretaceous Period. 它屬于馳龍科一員，是一種類(lèi)似鳥(niǎo)類(lèi)的獸腳亞目食肉恐龍，在白堊紀繁盛一時(shí)。
- A herbivorous dinosaur of the genus Triceratops, of the Cretaceous Period, having a bony plate covering the neck, a large horn above either eye, and a smaller horn on the nose. 三角龍一種白堊紀的屬的食草性恐龍，有一骨質(zhì)兜生在頸上，頭骨上有兩支大角生在眼上，中部一只較小的角生在鼻上
- Their reward: new types of sauropod (top) and pterosaur both of which lived almost a hundred million years ago, in the Cretaceous period. 他們辛苦付出的回報是新的蜥腳龍（上圖）和翼龍化石，這兩種動(dòng)物均生活在一億年前的白堊紀。
- The coiled, flat, chambered fossil shell of an extinct mollusk belonging to the class Cephalopoda, which was abundant in the Cretaceous period. 菊石，鸚鵡螺化石已滅絕軟體動(dòng)物的螺旋形、扁平的化石外殼，屬頭足綱動(dòng)物，大量存在于中生代
- A herbivorous dinosaur of the genus Triceratops,of the Cretaceous Period,having a bony plate covering the neck,a large horn above either eye,and a smaller horn on the nose. 三角龍一種白堊紀的屬的食草性恐龍，有一骨質(zhì)兜生在頸上，頭骨上有兩支大角生在眼上，中部一只較小的角生在鼻上
- The Cretaceous period ended about 65 million years ago, a mass extinction due to impact of an asteroid at Chicxulub in Mexico wiped out the dinosaurs, except for the birds. 白堊紀期間結束了大約65百萬(wàn)年前,許多絕種由于小行星的沖擊在Chicxulub在墨西哥消除了恐,除了鳥(niǎo)。
- The Cretaceous period rocks can be divided into granitic rock series and dioritic rock series in the Bailiping silver-polymetaltic ore-concentrated province. 百里坪銀、多金屬礦化集中區白堊紀巖漿巖主要有花崗質(zhì)與閃長(cháng)質(zhì)兩個(gè)巖石系列。
- They preyed on long-necked herbivorous dinosaurs on the Indian subcontinent during the Cretaceous Period at the end of the dinosaur age, 65 million years ago. 他們以印度次大陸的食草恐龍為食，這種食草恐龍生活6500萬(wàn)年前的恐龍滅絕年代白堊紀。
- Stepping down the stone stairs, people can see coal mine veins formed in the Cretaceous period, animal and plant fossils, and agates in their original forms. 游客可以在此欣賞到形成于白堊紀的地質(zhì)斷層、動(dòng)物和植物的化石以及最原始狀態(tài)的瑪瑙等。
- In the perspective of an artist, he has taken advantage of such artistic forms as poetry, music, calligraphy, character-carving, and painting for the purpose of interpreting the immense as well as breathtaking arena of life in the Cretaceous Period. 從藝術(shù)家的視角，運用詩(shī)歌、音樂(lè )、書(shū)法、篆刻、繪畫(huà)等藝術(shù)形式詮釋了白堊紀那段浩瀚壯觀(guān)的地球生命場(chǎng)。
