基本解釋[經(jīng)濟(jì)學(xué)]梨蚜蟲(chóng)詞組短語(yǔ)短語(yǔ)pear green aphid 梨日本大蚜pear yellow aphid 梨黃圓尾蚜frosted pear aphid 梨降霜蚜woolly pear aphid 梨根緜蚜green pear aphid 梨綠蚜pear aphid更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)梨蚜蟲(chóng)