Leadless
a. 无铅的
🗣️ 情景例句
It's dangerous to leave your children along while you go shopping.
购物时，把你的孩子单独留在家里是挺危险的。
How much for a one-way ticket to shanghai?
去上海的单程票多少钱？
Would you like to do that now?
你要现在就讨论吗？