您要查找的是不是：
- A usually green, flattened, lateral structure attached to a stem and functioning as a principal organ of photosynthesis and transpiration in most plants. 叶子连接在茎上的结构，通常是绿色、扁平且侧生，在多数植物中是光合作用和呼吸的主要器官
- FSF is the principal organizational sponsor of the GNU Project. FSF是GNU工程的主要赞助组织。
- The fleshy, movable, muscular organ, attached in most vertebrates to the floor of the mouth, that is the principal organ of taste, an aid in chewing and swallowing, and, in human beings, an important organ of speech. 舌，舌头绝大多数脊椎动物具有的连接于嘴巴下端的多肉、能动、强壮的器官。它是主要的味觉器官，咀嘴和吞食的辅助器官，对于人类，它还是重要的语言器官
- In the namelist of suppliers of XXX, several principal organizations as YY and ZZ, etc., are highlighted. 在XX的供应商名单中，集中显示了YY、ZZ等几家主要的机构.
- To encourage regular consultations and coordination among the principal organs of the United Nations in pursuit of their functions. - 鼓励联合国各主要机构在履行其职责时定期进行磋商和协调。
- Democratic centralism is the principal organizational system and leading system of our Party and country,and the basic principle of scientific policy-making as well. 民主集中制是我们党和国家的根本组织制度和领导制度,也是进行科学决策的基本原则。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- Tears are secreted by an organ under the upper eyelid. 眼泪由上眼睑下面的器官分泌。
- 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。
- The organ play as the bride come down the aisle. 当新娘沿著通道走过来时，风琴演奏了起来。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
- The organ rolled out a stately melody. 风琴奏出庄严的乐曲。
- Our principal problem is lack of time. 我们的主要问题就是缺少时间。
- The organ has two banks of keys. 那架风琴有两排键盘。
- 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。
- John informed the principal against Paul. 约翰向校长告发了保罗。
- Parliament is an organ of government. 议会是政府的一个机构。
- POHC Principal Organic Hazardous Constituents 主要有机危害要素
