Ferroselenium
硒铁
🗣️ 情景例句
The main course: steak and potatoes.
主菜 牛排和马铃薯。
Let me tell you about our product.
关于产品一事让我向你说明。
I'm very much interested in your personal computers.
我对你们的个人电脑深感兴趣。