您要查找的是不是：
- A line segment that joins two points on a curve. 弦将两点用曲线连接起来的曲线段
- The office has been humming with activity. 办公室一直忙着搞活动。
- She cleaned a small segment of the painting. 她把画儿上的一小部分擦干净了。
- The abdominal segment of an insect. 腹面昆虫的腹部体节
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- The company dominates this segment of the market. 这家公司控制了这一部分市场。
- Today, Siemens has already become an integral part of Zhejiang with all major business segments actively presenting in the local market. 如今，西门子已成为浙江省不可分割的一部分，活跃于本地市场的各个主要的业务领域。
- There has been a lot of activity in the town today. 今天市中心相当热闹。
- The town was humming with activity. 该市镇生气勃勃，呈现一片热闹的景象。
- The length of any such line segment. 半距离这种线段的长度
- Stamp collecting is my favorite activity. 集邮是我最喜爱的消遣。
- The store was a scene of great activity. 这家商店顾客盈门。
- He once engaged in anti-government activity. 他一度从事反政府的活动。
- The office is humming with activity. 办公室里一片忙碌。
- A center of interest or activity. 中心兴趣或活动的中心
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- An increase, as in movement or business activity. 进步，改进，改善运动或商业活动的进步或兴隆
- Indulgence in or pursuit of sexual activity. 纵欲; 追求肉欲对性行为的放纵或追求
- The phenomena associated with volcanic activity. 火山现象与火山活动有关的现象
- A portion, piece, or segment that is representative of a whole. 样品，试样代表整体的一部分，一片或一段
