查询词典 permanent tooth

Permanent dentition：恒齿系

换齿后的门齿、犬齿、前臼齿和臼齿一齐称为恒齿系(permanent dentition);换齿之前的门齿、犬齿、前臼齿称乳齿系(milk dentition). 区别乳齿和恒齿有二点;一是乳齿没齿根;二是乳齿较小. 换齿后的门齿和犬齿单根,前臼齿和臼齿(合称颊齿(cheek tooth)的齿根一般在二个以上,

Permanent dentition：恒齿齿系

07.0794 恒齿 permanent tooth | 07.0795 恒齿齿系 permanent dentition | 07.0796 异型齿 heterodont

milk tooth：乳牙

牙 tooth | 乳牙 milk tooth | 恒牙 permanent tooth

permanent tooth：恒牙

详细内容:参考答案: 正常情况下,人的一生,拥有两副牙齿:乳牙(deciduous tooth)和恒牙(permanent tooth). 乳牙共有20个,上下左右各5个;恒牙有28-32个,上下左右各7-8个. 要提出的是,在恒牙萌出时,由于人类食物的越来越精细,缺少足够的咀嚼刺激,

neoformative permanent tooth：新生恒牙

neoformative 新生的 | neoformative permanent tooth 新生恒牙 | neoformative silver iodide 新生碘代银

permanent way：永存性公路

permanent tooth 固齿 | permanent way 永存性公路 | permanent 永久的

pivot tooth：钉牙

permanent tooth 固齿 | pivot tooth 钉牙 | primary tooth 乳齿

A new tooth is erupting：一顆新的牙齒長出來了

Look at my teeth, Mommy.嗎咪,看我的牙齒 | A new tooth is erupting!一顆新的牙齒長出來了 | That's your permanent tooth.那是你的恆齒

premature eruption of deciduous tooth：乳牙早出

premature eruption ==> 早萌 | premature eruption of deciduous tooth ==> 乳牙早出 | premature eruption of permanent tooth ==> 恒牙早萌

premature loss of deciduous tooth：乳牙早失

premature loss ==> 过早缺失 | premature loss of deciduous tooth ==> 乳牙早失 | premature loss of permanent tooth ==> 恒牙早失

antiquated law：兩- 過時的法例

anti-fraud 兩- 打擊欺詐 港- 打擊詐騙 台- 制止背信 | antiquated law 兩- 過時的法例 | anti-trust 兩- 反托拉斯;反壟斷 台- 反托拉斯;反獨佔;反壟斷

permutable：可排列

permutability 转置性 可置换性 换排性 | permutable 可排列 | permutate 重排列