可以拼成:seam英 [siːm]美 [sim]第三人称单数:seams 过去分词:seamed复数:seams 现在进行时:seaming过去式:seamedn. 缝;接缝vt. 缝合;接合;使留下伤痕vi. 裂开;产生裂缝coal seam 煤层welding seam 焊缝;对接焊缝weld seam 焊缝thin seam 薄煤层welded seam 焊缝;熔接缝双语对照:This seam of coal reposes on a layer of clay. 这个煤层处于一层黏土岩之上。The moon has a tall ridge running along its equator, like a walnut's seam. 土卫八有高的山脊沿着其赤道,像胡桃木的接缝一样。第一时间为你解答,望采纳,谢谢!!!!!