compactly, densely, in a tight group, in a cluster
Снаряды легли кучно.
The shells landed in a tight group.
Люди стояли кучно у входа в театр.
People were standing close together at the entrance to the theater.
Птицы сидели кучно на одном проводе.
The birds were sitting close together on a single wire.
Деревья растут здесь очень кучно.
The trees grow very densely here.
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