DISCUSSION OF GENUS PROCONODONTUS FROM TOP CAMBRIAN
对寒武系顶部发育的原牙形石属的讨论
of or relating to a pointed conical tooth.
属于或关于锋利锥形牙。
a limestone promontory at the southern tip of Spain; controlled by Britain; strategically important because it can control the entrance of ships into the Mediterranean.
西班牙南端的石灰石地形的海峡。
from 425 million to 500 million years ago; conodonts and ostracods and algae and seaweeds.
牙形石、介形亚纲动物、藻类植物。
Baculites ovatus fauna
杆菊石属卵圆形动物群
A marine food and game fish(Cynoscion regalis)of North American Atlantic waters.
犬牙石首鱼北美大西洋水域产的一种食用海鱼和垂钓用鱼（犬牙石首鱼犬牙石首鱼属）
Abe was addressing his first news conference of the year.
原文作者所属博客:天呀，好大的牙！
Within 24 hours, plaque can harden to form tartar, which can only be removed by a professional.
24小时内，牙垢膜便会硬化，形成牙石，必需由牙医清除。
STUDY ON THE CAMBRIAN-ORDOVICIAN CONODONTS FROM ZHUJI,ZHEJIANG
浙江诸暨地区寒武-奥陶系牙形石研究
Research on Conodont Evolution Across the Permian/Triassic Boundary in South China;
华南二叠—三叠纪之交牙形石演化研究
Conodonts from the Denominated Section of Carboniferous Benxi Formation, Benxi, Liaoning;
辽宁本溪石炭系本溪组命名剖面的牙形刺化石
type genus of the family Plasmodiidae.
原形体科的一个模式属。
A study on the reason of extraction,length,number and transverse morphology of the root and root canals of 100 extracted first permanent mandibular molars
100颗成人下颌第一磨牙拔除原因,牙根外形、根管数目及形状研究
dental fitting for making metal crowns or dentures (e.g., sockets, rings, hooks)
牙科用装置,用于制作金属齿冠或假牙（例如凹形托座、环或钩）
A concretion of mineral salts and organic matter deposited on the surface of the teeth.
牙石牙齿表面结晶形成的盐类矿物和有机物质的混合固体
Cloud-Point Extraction Coupled with Graphite Furnace Atomic Absorption Spectrometry and It Application to the Preconcentration and Speciation of Metal Ions;
浊点萃取石墨炉原子吸收光谱联用技术在金属离子及其形态分析中的应用
Exploration of reasons for gingivitis of 68 metal ceramic crowns with gingival complication after cementation
68件金属烤瓷冠并发牙龈炎的原因探讨
Naturally occurring rock oil is referred to as crude oil or petroleum.
天然形成之石油，我们称作原油或石油。