闲置的音效

https://elements.envato.com/diesel-train-16-KBPNNQV

https://elements.envato.com/emergency-vehicle-running-idle-with-doors-closing-T7XPPFK

https://elements.envato.com/emergency-vehicle-running-idle-with-doors-closing-4PXCLRY

https://elements.envato.com/starting-car-rolling-down-windows-idle-7B4SS2X

https://elements.envato.com/ferrari308-car-hollow-ticking-engine-start-1-VHC4LFZ

https://elements.envato.com/ferrari308-car-hollow-ticking-engine-start-2-KB77YWU

https://elements.envato.com/tractor-starting-up-running-idle-ZBLUEXQ

https://elements.envato.com/vintage-tractor-start-and-drive-out-of-building-RWW799Y

https://elements.envato.com/car-start-idle-and-shut-off-interior-ambiance-smar-TWNREH7

https://elements.envato.com/baseball-crowd-charge-lulls-idle-kids-voices-WAVFR9X

https://elements.envato.com/baseball-crowd-chatter-vendors-voices-hotdogs-B5JN63B

https://elements.envato.com/baseball-crowd-idle-vendors-voices-beer-chatter-3YJ4PNZ

https://elements.envato.com/baseball-crowd-vendors-voices-chatter-idle-FJJ7YWT

https://elements.envato.com/military-tank-revs-MS9GGL6

https://elements.envato.com/1963-rambler-classic-770-car-recorded-at-side-of-v-7RWVRXK

https://elements.envato.com/1967-citroen-car-idle-ZJGZBK4

https://elements.envato.com/1969-fiat-500-car-start-29-YEPAQED

https://elements.envato.com/1969-fiat-500-car-start-30-DQETCBW

https://elements.envato.com/1969-fiat-500-car-start-26-EDVQEDU

https://elements.envato.com/1969-ford-f-150-pickup-truck-slow-in-on-dirt-tire--4FJNLRM

https://elements.envato.com/1969-ford-f-150-pickup-truck-med-fast-in-on-dirt-t-2FNUGQR

https://elements.envato.com/1972-datsun-510-car-long-approach-1-FP3MWC2

https://elements.envato.com/1976-ford-pinto-car-start-3-68GUW8L

https://elements.envato.com/1978-chevy-impala-station-wagon-car-10-KXQ4RPZ