牙齿 牙齒 yá chǐ tooth / dental / CL:顆|颗[ke1] syn 义 義 yì justice / righteousness / meaning / foster (father etc) / adopted / artificial (tooth, limb etc) / relationship / friendship syn 门牙 門牙 mén yá front tooth / incisor syn 腐化 fǔ huà to rot / to decay / to become corrupt syn 蜕变 蛻變 tuì biàn to transform / to morph / to degenerate / metamorphosis / transmutation / transformation / decay / degeneration syn 厮杀 廝殺 sī shā to fight at close quarters / to fight tooth and nail syn 凋零 diāo líng withered / wilted / to wither / to fade / to decay syn 乳牙 rǔ yá deciduous tooth / milk tooth / baby tooth 衰败 衰敗 shuāi bài to decline / to wane / to decay / to deteriorate syn 陨落 隕落 yǔn luò to fall down / to decay / to fall from the sky / to die 犬齿 犬齒 quǎn chǐ canine tooth syn 智齿 智齒 zhì chǐ wisdom tooth syn 拔牙 bá yá to extract a tooth 牙根 yá gēn root of tooth 衰变 衰變 shuāi biàn radioactive decay 义齿 義齒 yì chǐ artificial tooth 茯苓 fú líng Wolfiporia extensa (a wood-decay fungus) / fu ling / tuckahoe 兴亡 興亡 xīng wáng to flourish and decay / rise and fall syn 尖牙 jiān yá canine tooth / fang / tusk 颓败 頹敗 tuí bài to decay / to decline / to become corrupt syn 牙 yá tooth / ivory / CL:顆|颗[ke1] syn 衰 shuāi (bound form) to decay / to decline / to wane syn 齿 齒 chǐ tooth / CL:顆|颗[ke1] syn 腓 féi calf of leg / decay / protect syn 以牙还牙 以牙還牙 yǐ yá huán yá a tooth for a tooth (retaliation) syn 腐 fǔ decay / rotten syn 臼齿 臼齒 jiù chǐ molar tooth syn 补牙 補牙 bǔ yá to fill a tooth (cavity) / to have a tooth filled / a dental filling 镶牙 鑲牙 xiāng yá to have a false tooth set in / denture 珐琅质 琺瑯質 fà láng zhì (old) tooth enamel (still in use in Taiwan) syn 槽牙 cáo yá molar tooth syn 牙粉 yá fěn tooth powder 防龋 防齲 fáng qǔ to prevent tooth decay / anti-caries 佛牙 fó yá Buddha's tooth (a holy relic) 乳齿 乳齒 rǔ chǐ deciduous tooth / milk tooth / baby tooth syn 虎牙 hǔ yá (coll.) eye tooth (maxillary canine tooth) syn 齿冠 齒冠 chǐ guān crown of tooth 齿根 齒根 chǐ gēn root of tooth 恒牙 恆牙 héng yá permanent tooth (as opposed to deciduous tooth 乳牙) / adult tooth 前臼齿 前臼齒 qián jiù chǐ premolar tooth (immediately behind canine teeth in some mammals) 牙冠 yá guān crown of a tooth / (dental) crown 牙髓 yá suǐ tooth pulp 乙种射线 乙種射線 yǐ zhǒng shè xiàn beta ray (electron stream from radioactive decay) 户枢不蠹 戶樞不蠹 hù shū bù dù lit. a door hinge never becomes worm-eaten / constant activity prevents decay (idiom) syn 暂牙 暫牙 zàn yá deciduous tooth / milk tooth / baby tooth / also written 乳齒|乳齿[ru3 chi3] 轨道衰变 軌道衰變 orbit decay / orbital decay 以眼还眼，以牙还牙 以眼還眼，以牙還牙 yǐ yǎn huán yǎn , yǐ yá huán yá an eye for an eye, a tooth for a tooth (idiom) / fig. to use the enemy's methods against him / to give sb a taste of his own medicine 轮齿 輪齒 lún chǐ tooth of cog wheel / gear tooth 放射性衰变 放射性衰變 fàng shè xìng shuāi biàn radioactive decay 衰变链 衰變鏈 shuāi biàn liàn decay chain 衰变曲线 衰變曲線 shuāi biàn qū xiàn decay curves 衰变热 衰變熱 shuāi biàn rè decay heat 朽蠹 xiǔ dù to decay and be eaten by worms etc / to overhoard grain so that it rots 流水不腐，户枢不蠹 流水不腐，戶樞不蠹 liú shuǐ bù fǔ , hù shū bù dù lit. flowing water does not rot, nor a door-hinge rust (idiom) / fig. constant activity prevents decay Α衰变 Α衰變 alpha decay Β衰变 beta decay 森林退化 sēn lín tuì huà forest decay 森林逐渐失去活力 forest decay 波浪逐渐平息 波浪逐漸平息 decay of waves 宇宙线反照中子衰变 宇宙線反照中子衰變 cosmic ray albedo neutron decay 有机物质的分解 有機物質的分解 decay of organic matter 自由感应衰减 自由感應衰減 free induction decay 上口齿 上口齒 shàng kǒu chǐ supraoral tooth 切牙 qiē yá incisor tooth 前磨齿 前磨齒 qián mó chǐ premolar tooth 智慧齿 智慧齒 zhì huì chǐ wisdom tooth 牙釉质 牙釉質 yá yòu zhì tooth enamel 磨齿 磨齒 mó chǐ molar tooth 智牙 zhì yá wisdom tooth syn 基牙 jī yá abutment tooth (dentistry) 挤破头 擠破頭 jǐ pò tóu to fight tooth and nail to get sth 