potato aphid

基本解釋

The aphid that causes potato blight now appears a month earlier than it used to, so it feeds on the plant at a more vulnerable point in its life.
現(xiàn)在馬鈴薯的疫病期已經(jīng)比以前提前了一個月到來，在馬鈴薯植株最脆弱的時候蚜蟲們就來侵襲。
Now 70-80% do. The aphid that causes potato blight now appears a month earlier than it used to, so it feeds on the plant at a more vulnerable point in its life.
現(xiàn)在70-80％的蚜蟲都有了這種耐葯性，蚜蟲導(dǎo)致的馬鈴薯晚疫病，現(xiàn)在出現(xiàn)比以往提前一個月來，所以蚜蟲在植株的脆弱期就開始啃噬植株。