n. 蜂群, 一大群( swarm的名词复数 )

v. 密集( swarm的第三人称单数 ); 云集; 成群地移动; 蜜蜂或其他飞行昆虫成群地飞来飞去

n a moving crowd

n a group of many things in the air or on the ground

v be teeming, be abuzz

v move in large numbers