Nonleaded
a. 无铅（如汽油等）的
🗣️ 情景例句
Couldn't you sell us one carton for-?
不能以每盒--卖给我们吗？
Better have something we can get our hands on rather than just spend all our time talking.
有些实际材料拿到手总比坐着闲聊强。
He has a strong will.
他意志坚强。