?白背飞虱

... 背景 (布景; 衬托主体事物的景物; 对人物、事件起作用的历史条件或现实环境) background; backdrop; setting 历史背景 historical background; historical setting; 时代背景 background characteristic of times; 舞台背景 stage background; 英语学习背景 cultural background for english study 白背飞虱 sogatella furcifera horvath; white back plant hopper; white backed planthopper 白背黑山雀 white-backed black tit ...