Sideroferrite
木化石中发现的天然铁
🗣️ 情景例句
Are you going to attend graduate school?
你想读研吗？
We're in competition with several other companies for the contract.
我们与另外几家公司逐争取这个合同。
I told you to drive slowly, Gary.
加里，我刚才叫你开慢点吧。