v. 密集( swarm的过去式和过去分词 ); 云集; 成群地移动; 蜜蜂或其他飞行昆虫成群地飞来飞去
🗣️ 情景例句
Are you sure?
你确定?
Late repentance is seldom true.
后悔少有诚意。
Although mankind has undergone no general improvement in intelligence or morality, it has made extraordinary progress in the accumulation of knowledge.