Calcioferrite
[化] 钙磷铁矿
🗣️ 情景例句
And the show will help promote it.
而这次展览会有利于促销它。
I'm afraid you will be too weak.
我怕你会太虚弱。
What's the basis of your belief that the product is safe?
你凭什么相信产品是安全的？