unleaded
adjective uk/ʌnˈled.ɪd/ us/ʌnˈled.ɪd/
（汽油或其他物质）无铅的
Unleaded petrol or other substance does not contain lead.
Cars these days all use unleaded petrol. 现在的汽车都使用无铅汽油。
unleaded
noun [ U ] uk/ʌnˈled.ɪd/ us/ʌnˈled.ɪd/
无铅汽油
unleaded petrol
The price of unleaded fell again. 无铅汽油的价格又下跌了。