Ferromanganic
亚铁锰(根)(指含有二价铁与三价锰)
🗣️ 情景例句
Will it hurt?
会痛吗？
I hope you're enjoying your stay here.
我希望你在这里过得愉快。
We certainly expect our product to be available by October 1.
我们的产品在可在10月1日前准备好。