There are multitudes of islands on the Pacific.太平洋中有许多岛屿.Not seldom , it had been seen by multitudes.许多人都曾多次见过.Vast multitudes of birds visit this lake in spring.春天有大批的鸟飞临此湖....
使聚集成块: 形成或使形成紧贴在一起或圆形的块体.Conglomerate: To form or cause to form into an adhering or rounded mass.啄出, 啄穿通过用嘴巴或尖器连续的击使形成 ( 一孔 )To make ( a hole, for example ) by striking repeatedly with the beak or a pointed instrument.基因...