Polymetallic
多金属的
🗣️ 情景例句
I certainly am. May I help you?
我是，我能帮您什么忙吗？
Today, they will introduce to you our newly built plant and research center.
今天，他们将会向您介绍我们新落成的工厂和研究中心。
that twenty or thirty pages of ideas and information would be capable of turning the present-day world upside down, or even destroying it.
二三十页材料中的思想和情报会使当今的世界天翻地覆，甚至毁灭这个世界。