ca·dre
noun/ˈkɑːdə(r)/
/ˈkɑːdreɪ/
(formal)- [countable + singular or plural verb] a small group of people who are specially chosen and trained for a particular purpose
骨干（队伍） - a cadre of scientific experts
一支科学专家队伍
- a cadre of scientific experts
- [countable] a member of this kind of group
干部
Word Originmid 19th cent.: from French, from Italian quadro, from Latin quadrus ‘square’.