1. 牙骨质：应果断及时做根管治疗(Root Canal Therapy)以免后患.有很多人在牙齿的颈部(近牙齦处)表面出现楔状缺损,只有少部分人是刷牙方法不正确, 采用大力横刷, 而牙颈部这个区域是属于冠面上的釉质(Enamel)和根面的牙骨质(Cement)相连接的地方,容易受摩擦而形成缺损;
2. 白垩质：是由齿质(dentine)、釉质(珐琅质)(enemel)和齿骨质(白垩质)(cement)所构成(图20-17). 齿质内有髓腔,充有结缔组织、血管和神经,供应牙齿所需营养. 釉质是体内最坚硬的部分,覆盖于齿冠部分. 齿骨质覆于齿根外周,与颌骨的齿槽相联合,
1. 水泥
Cement is a grey powder which is mixed with sand and water in order to make concrete.
e.g. ...a mixture of wet sand and cement.
湿沙子和水泥的混合料
2. 同 concrete
Cement is the same as concrete .
e.g. ...the hard cold cement floor.
又硬又冷的混凝土地面
3. 胶接剂;接合剂
Glue that is made for sticking particular substances together is sometimes called cement .
cement的反义词
e.g. Stick the pieces on with tile cement.
用瓷砖胶把它们一块块贴上去。
4. 巩固;加强
Something that cements a relationship or agreement makes it stronger.
cement的解释
e.g. Nothing cements a friendship between countries so much as trade.
贸易最能增强国家间的友谊。
5. 起巩固作用的因素;加强剂；纽带
The cement of a relationship or agreement is something that makes it stronger and more long-lasting.
e.g. ...the power of the party, once the cement that held the Soviet Union together...
党的力量，曾经是保持苏联团结的黏合剂
e.g. In the old days, television was the cement of society.
过去，电视曾是团结社会的力量。
6. 把…黏合;使黏结
If things are cemented together, they are stuck or fastened together.
e.g. Most artificial joints are cemented into place.
多数人工关节是用骨水泥固定到位的。
词典解释
1. 水泥
Cement is a grey powder which is mixed with sand and water in order to make concrete.
e.g. ...a mixture of wet sand and cement.
湿沙子和水泥的混合料
2. 同 concrete
Cement is the same as concrete .
e.g. ...the hard cold cement floor.
又硬又冷的混凝土地面
3. 胶接剂;接合剂
Glue that is made for sticking particular substances together is sometimes called cement .
cement的反义词
e.g. Stick the pieces on with tile cement.
用瓷砖胶把它们一块块贴上去。
4. 巩固;加强
Something that cements a relationship or agreement makes it stronger.
cement的解释
e.g. Nothing cements a friendship between countries so much as trade.
贸易最能增强国家间的友谊。
5. 起巩固作用的因素;加强剂；纽带
The cement of a relationship or agreement is something that makes it stronger and more long-lasting.
e.g. ...the power of the party, once the cement that held the Soviet Union together...
党的力量，曾经是保持苏联团结的黏合剂
e.g. In the old days, television was the cement of society.
过去，电视曾是团结社会的力量。
6. 把…黏合;使黏结
If things are cemented together, they are stuck or fastened together.
e.g. Most artificial joints are cemented into place.
多数人工关节是用骨水泥固定到位的。