VOA慢速英语:科学家称蜘蛛利用电场在空气中移动

abdomen - n. the part of the body below the chest that contains the stomach and other organs

dragline - n. a rope used for dragging or hauling something.

electrostatic - adj. relating to stationary electric charges or fields as opposed to electric currents.

factor - n. something that helps produce or influence a result

hypothesis - n. an idea or theory that is not proven but that leads to further study or discussion

plate - n. a thin, flat piece of metal

role - n. a part that someone or something has in a particular activity or situation

silk - n. a smooth, soft, and shiny cloth that is made from thread produced by silkworms

tangle - v. to become or cause (something) to become twisted together

webbing - n.