她穿着一件有花边的白色上衣和一条蓝色天鹅绒裙子。She was wearing a white ruffled blouse and a blue velvet skirt.镶有花边的桌布a tablecloth edged with lace她的裙子饰有花边.Her skirt was trimmed with lace....
Double - buffering is a technique that mitigates the tearing problem somewhat, but not entirely.双倍缓冲一种用来减轻撕裂问题, 虽然不是很完全.Amino acids are weak acids and weak bases, therefore, they are excellent buffering agents.氨基酸是弱酸和弱碱,...