High or low temperature can influence survival, fecundity and longevity, and determine the form of winged or wingless morphs of aphids.
温度变化对不同蚜虫种类的生殖力、生存力以及有翅蚜产生与否有极大影响。
Shalassa is wingless and she has fins instead of legs. In fact, she looks like a sea-serpent or an Asian Dragon.
莎拉萨没有翅膀，并且有鳍而非脚。实际上，她的外表更像是海蛇或是亚洲龙。
Any of numerous small, flat-bodied, wingless biting or sucking insects of the orders Mallophaga or Anoplura, many of which are external parasites on various animals, including human beings.
数小的，身体扁平，没翼的咬人吸血昆虫，其中许多是多种动物的外部寄生物。
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