Leadless
a. 无铅的
🗣️ 情景例句
The student has a very wide range of interests.
那个学生的兴趣非常广泛。
Reason deceives us often, conscience never.
理性常骗人，良心永不欺。
It did not take the firefighters long to put out the fire, and they at once started to look for causes of the fire.
消防队员没花多时间就把大火扑灭了，他们马上开始调查火灾发生的原因。