您要查找的是不是：
- periodontal principal fibers 牙周膜主纤维
- During the late stage, the principal fibers stained for fibromodulin at the interfaces between cementum and new bone. 愈合晚期，纤维调节素表达于牙骨质和新骨交界处的主纤维。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- The principal shareholder ask for a meeting. 主要股东们要求召开会议。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- This dress is made of artificial fibers. 这件衣服是人造纤维的。
- She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
- Our principal problem is lack of time. 我们的主要问题就是缺少时间。
- A strong household bleach might rot the fibers. 强力家用漂白剂可能会破坏衣物的纤维。
- She drank in every word of the principal's lecture. 她全神贯注地听校长演讲的字字句句。
- Wool fibers can be spun into yarn. 羊毛纤维可纺成纱。
- John informed the principal against Paul. 约翰向校长告发了保罗。
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- The principal discouraged unexcused absences. 校长不准无故缺课。
- A bundle of nerve fibers in a nerve trunk. 精索神经干上的一束神经纤维
- Rubber is the country's principal export. 橡胶制品是该国主要的出口产品。
- One that twists fibers into thread. 把纤维捻成线束的人
- The principal has a very tight schedule. 校长的日程表排得满满的。
- Our school gave a reception to our new principal. 我们学校为新校长举行了欢迎会。
