Nitroferroin
[化] 硝基邻菲咯啉亚铁离子
🗣️ 情景例句
Is the boss coming by?
是老板过来了吗？
Do you ever go swimming on the weekend?
你曾经在周末去游泳吗？
He holds a position of great responsibility upon him.
他担任着一个责任重大的职务。