https://online2.tingclass.net/lesson/shi0529/0008/8532/p12.mp3
https://image.tingclass.net/statics/js/2012
When I saw a poisonous snake on the road I stepped on the gas at once.
當我看到路上有條毒蛇時,我馬上加大了油門。
step on the gas比較口語的說法,其實是step on the pedal,踩的是那個踏板。