Gorlanadite
砷铅矿
🗣️ 情景例句
Is he OK?
他还好吗？
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
When he returned to India he spoke in public about the situation in South Africa.
当他加到印度之后，他还就南非的形势公开发表演说。