nonlead

例句：

1. 1. The car was nonlead to ensure its safety.
   汽车被涂上了无铅漆以确保其安全。
2. 2.The new paint contains no lead, which is good for the environment.
   这种新的油漆不含铅，对环境有益。
3. 3. Lead poisoning is a serious health concern for children, especially those in developing countries.
   铅中毒是儿童特别是发展中国家儿童的一个严重健康问题。