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conodonts

听听怎么读

英 [kənɒ'dɒnts]

美 [kənɒ'dɒnts]

是什么意思

释义

牙形石；

英英释义

conodont[ 'kəunə,dɔnt ]

n.
- the tiny fossil cone-shaped tooth of a primitive vertebrate of order Conodonta
- small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes

学习怎么用

权威例句

Conodonts
Conodonts
Conodonts
The Anatomy of Conodonts
Conodonts: a major extinct group added to the vertebrates.
Presence of the earliest vertebrate hard tissue in conodonts
Strontium isotope systematics of conodonts: Middle Devonian, Eifel Mountains, Germany
Oxygen isotope variations in phosphate of biogenic apatites, III. Conodonts
The structure of some Middle Cambrian conodonts, and the early evolution of conodont structure and function
Decay of Branchiostoma: implications for soft‐tissue preservation in conodonts and other primitive chordates

c开头的单词

Czech Republic coffee pot cytotec tablet cystine kidney stone cystic hygroma cytomegalovirus encephalitis cystathionine synthase cystic astrocytoma cystathionine beta synthase cystic fibrosis cypress tree cylinder head

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n开头的单词

NZ nyx nyu nyt nystatin nystagmus

p开头的单词

Pyxis pyxie pyxidium pyxidia pyxides pyx

x开头的单词

xystus xyster xyst xyphophorus xylyl xylulose-5-phosphate

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小学

zoo-keeper zoo zoo zebra crossing zebra yours

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