您要查找的是不是：
- A small nipplelike projection,such as a protuberance on the skin,at the root of a hair or feather,or at the base of a developing tooth. 乳头状物一种如在皮肤毛发、羽毛根部或正长着的牙的基部上的小的乳头突起。
- The adult jaw is a vastly different environment from the embryonic version, however, and scientists have been unsure whether it would provide the correct signals to a developing tooth. 但发育成熟的颌与胚胎时期的颌相比，是个完全不同的环境，因此，科学家一直无法确定，成熟的颌是否可以提供正确讯号给发育中的牙齿。
- Methods: After preparing specimens of every stage of human developing teeth, immunohistochemical staining of nerve growth factor and its receptor was carried on. 方法：制备人牙齿发育各阶段标本，进行神经生长因子及其受体的免疫组化研究。
- China is a developing country in Asia. 中国是亚洲的发展中国家。
- France is one of the develop countries. 法国是发达国家之一。
- Languages develop continually through usage. 语言在使用中不断发展。
- It cost a lot of money to develop a product. 要开发一项产品需要花费许多钱。
- Can you have this roll of film develop and printed? 请你给这卷胶卷冲印一下可以吗？
- Talent is worthless unless you persevere in developing it. 除非你坚持不懈地发展天赋，否则它是没有价值的。
- Developing symmetrically about a central point. 对称发展的在一个中心点周围对称发展的
- Initiated trade with developing nations. 开始与发展中国家的贸易
- Plans are already made to develop the wasteland. 开发这片未开垦地的规划已经制定。
- Try to develop good reading habits. 要养成良好的阅读习惯。
- Trade helps industry to develop. 贸易促进工业发展。
- I hope business will develop rapidly between our two concerns. 我希望你我两家商行的交易将迅速发展。
- Rich countries should give more aid to developing countries. 富有的国家应对开发中的国家多予援助。
- Illiteracy is a major problem in some developing countries. 在一些发展中国家，文盲是个大问题。
- Such a move met with the warm approval of all developing countries. 这一行动得到了所有发展中国家的热烈赞同。
- Able to develop into kidney tissue. 肾发生的能发展为肾组织的
- The two companies have teamed up to develop a new racing car. 那两个公司已合作研制新型赛车。
