队 (duì) means “squadron”. The 队 stroke order has 4 strokes; the animation above shows them one at a time. Its radical is 阝. To practise how to write 队, open writing practice; to hear how to pronounce 队, use the pronunciation trainer.
Words with 队
队 — duì, squadron; team; group
排队 — pái duì, to line up
球队 — qiú duì, sports team (basketball, soccer, football etc)