VOA慢速英语:Australian Spider May be World’s Fastest

lunging – adj. to move or reach forward in a sudden, forceful way

thread – n. a long thin line of something

eucalyptus tree – n. there are 700 varieties of these very tall trees

high-definition – adj. having a very clear picture and a wide screen

ridiculously – adv. extremely or unreasonably

rodent – n. a small animal, such as a mouse, rat, squirrel, or beaver, that has sharp front teeth

physiology – n. a science that deals with the ways that living things function

cannibal – n. an animal that eats its own kind

broader – adj. wide in range or amount