一件是猪皮的.One is made of pigskin.桑格拉斯先生就去掏他那个猪皮小提包了.Mr. Samgrass delved again into his pigskin satchel.磺化油SEO、磺化油STO对提高无铬鞣猪皮服装革撕裂强度有明显的优势.SEO and STO had advantages in improving the tearing strength of leather....
The big ball echoes the faintest sounds.最微小的声音在这大厅里也会产生回响。He heard nothing but the echoes of his own voice.他只听见了自己的回音。Endophthalmitis displays mull echoes, retinal thickened or detached.眼内炎回声杂乱, 视网膜增厚或伴有脱离.I could hear t...