varoom[və'ru:m]n.1.■(赛车高速行驶时发出的)呜呜声vt., vi.1.■(使)发出呜呜声;(使)呜呜地行驶:They went varooming all over the desert in a couple of jeeps.他们开着几辆吉普车隆隆地驶过沙漠。