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。...
This paper summaries the function and benefits of Yellow River dyke strengthening by desilting.概述黄河放淤固堤的作用及效益评价.The computer prepares summaries of all the calls it receives.计算机能为它接到的全部电话作摘要.Recent progress on asymmetric ...