aphid是什么意思？

aphid

英[ˈeɪfɪd] 美[ˈefɪd, ˈæfɪd]

• n. [昆]蚜虫；

复数：aphids;

例句

• The five small arthropod were still very serious pest, especially aphid, scale and whitefly. 其中,五小害虫的危害仍然非常严重, 尤其是蚜虫 、 蚧壳虫和粉虱.
• In which Aphid and leaflike are the dominant insects in spring. 其中蚜虫、叶螨是春季昆虫群落的优势种.
• The woolly aphid has a lanate coat resembling cotton. 棉蚜虫有一层羊毛状的表皮,很像一团棉花.
• Aphid count on plants in fields do not correlate with virus spread in the same fields. 田间植株蚜数与同块田内病毒的扩散程度间无相关性.
• Since aphid population may become resistant to organophosphorus compounds, avoid excessive spraying. 因为蚜虫类对有机磷化物能产生抗性, 所以要避免过多的喷洒.
• The aphid is now laying waste to the wheat and barley fields. 蚜虫正在毁掉一片片的小麦和大麦田地。
• He used aphid fecundity data to elucidate the theoretical effects of antibiosis on insect population dynamics. 他利用蚜虫繁殖力资料说明了抗生作用对虫口动态的理论效应.

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  蚜虫
  Aphids are very small insects which live on plants and suck their juices.

英英词典释义

• Noun
  1. any of various small plant-sucking insects