unleaded

1. ADJ Unleaded fuel contains a smaller amount of lead than most fuels so that it produces less harmful substances when it is burned. (燃料) 無鉛的

He filled up his Toyota with regular unleaded petrol. 他把自己的豐田車加滿了普通無鉛汽油。

2. N-UNCOUNT Unleaded is also a noun. 無鉛汽油

All its V8 engines will run happily on unleaded. 所有其V8引擎將靠無鉛汽油良好運轉。