VOA慢速英语:埃隆·马斯克展示了高速的地下隧道

drive me nuts – phrase. to annoy, bother or frustrate

tunnel – n. long passage that runs underground or through a mountain

elevator – n. machine that carries people up and down, usually inside buildings

guest – n. visitor; someone who has been invited

bumpy – adj. not smooth

stable – adj. firmly established; permanent

epic – adj. of great importance