细胞壁上有不规则的增厚, 增厚的部分通常在几个细胞 邻接处 的角隅上特别明显.The cell walls are irregularly thickened and pectin , the thickening giving distinct the cells in cross - section....
很难确切知道这场悲剧的严重程度.It's difficult to grasp the sheer enormity of the tragedy.我们的喜剧是对莎士比亚一出悲剧的讽刺性模仿.Our comic play was a burlesque of a Shakespearean tragedy.悲剧或近乎悲剧的事经常发生.Very often tragedies or near tragedies occurred...