常見(jiàn)例句雙語(yǔ)例句There is little precipitation, strong evaporation, sparse vegetation (only 1.01% of cover rate), and expending desert area in Hetian watershed.和田河流域降水稀少，蒸發(fā)量大，植被稀疏，森林覆蓋率僅爲(wèi)1.01％，沙漠化麪積逐年擴(kuò)大。http://dict.cnki.net 返回 sparse vegetation cover