您要查找的是不是：
- 北斗系~（Compass）Compass
- 系system
- 院系department
- 系上to buckle up
- 系帶chalaza
- 中文系department of Chinese language and literature
- 菜系style of cooking
- 系的phyletic
- 科系department
- 系動(dòng)詞copula
- 全系holophyly
- 外語(yǔ)系department of foreign languages
- 家系stemma
- 報系syndicate
- 色系colour system
- 數學(xué)系department of mathematics
- 計算機系computer family
- 連系copula
- 物理系department of physics
- 大陸法系Continental Legal System
