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group; bunch; crowd; throng; swarm; band; herd; school (of fish)
group
鳥の群が空を優雅に飛んでいる。
A flock of birds is flying in the sky.
空に鳥の群が飛んでいくのが見えた。
I could see a flock of birds flying across the sky.
羊の群が草原で草を食べていた。
A flock of sheep was eating grass.