单词：permanent tooth
permanent tooth的用法和样例：
例句
- The exfoliation of the deciduous teeth is mainly brought about by resorption of their roots and enhances by growth and eruption of the succeeding permanent teeth.总而官之，乳牙之所以会脱落主要在于它们的根部会发生吸收，而其下正在萌出的永久齿则增进了它在根部进行吸收的工作。
单词：permanent tooth 相关文章
Days of Painful Tooth Repair May Be Over From VOA Learning English, this is the Health Lifestyle report. Many people fear a visit to the dentist. They are not so much afraid of the doctor, but of the dental equipment and treatments. Well, fear no mor
2015年VOA慢速英语(九)月
a tooth pulled A man and his wife entered the dentist's office. The man said, I want a tooth pulled. We're in a big hurry, so forget about any pain killers. The dentist said，You're very brave. Which tooth is it? The man said to his wife, Show him y
英语笑话（MP3+文本）
The Basque separatist group ETA has declared a permanent ceasefire. The group has waged a violent campaign to form an independent state in northern Spain and southwest France. A video posted on the website of Basque newspaper Gara shows masked people
VOA标准英语2011年(一月)
He dreamed that one of his teeth had fallen out. He told his classmate. She said, In my country, such a dream means a relative is going to die soon. He asked, Really? Any particular relative? She said, Yes. It depends on which tooth falls out. He sai
英文短篇故事（纽约）
Astronauts(宇航员) aboard the International Space Station have installed a new permanent storage unit, creating an additional 70 cubic meters of cargo space and a new venue in which to conduct experiments. Crew members on Tuesday used the space st
英语新闻
今天我们要学的词是 permanent. Permanent 永久性的。British Finance Minister George Osborne warned voters that leaving the European Union would do permanent damage to the British economy. 英国财政大臣奥斯本警告英国选民，离开
英语单词荟萃