英语词汇“棉大夫”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	棉大夫
释义	棉大夫 mián dài fū七星瓢蟲。成蟲體呈卵圓形，背面半球形拱起。頭部黑色。足黑色，密生細毛。鞘翅紅色或橙黃色，上有七個黑點，故名。捕食棉蚜、豆蚜、槐蚜、桃蚜等，為著名的農業益蟲。
随便看	tool module tool module design tool monitoring tool motion tool mounting tool nature tool nipper tool nose Tool nose arc transition edge tool nose radius tool nose radius compensation tool noumenon tool number tool of communications tool offering distributor tool of financial innovation tool offset tool-offset Tool of honing measure tool of labour tool of loading and unloading tool of monetary policy tool of policy tool of production tool of public relations