He was a tubby little man in his fifties, with sparse hair.他50来岁，头发稀疏，身材矮胖。Many slopes are rock fields with sparse vegetation.许多山坡都是石头地，植被稀疏。The sparse line of spectators noticed nothing unusual.那一排稀稀落落的观众没留意到任何不寻常之处。...
He was a tubby little man in his fifties, with sparse hair.他50来岁，头发稀疏，身材矮胖。His pink scalp gleamed through his sparse hair.他发红的头皮在稀疏的头发下泛微光。As we drove towards the desert, the vegetation became sparse.我们驱车前往沙漠，沿途的草木渐渐变得稀疏...
此矩阵借方程缩聚.This matrix is condensed by the equation.缩聚催化剂会对聚酯后加工性能产生不良影响.Polycondensation catalyst may has bad effect on polyester afterprocessing properties.用糠醇和糠醛缩聚制备了新型呋喃树脂.A novel furan resin was synthesized by polycon...