Manganosiderite
锰菱铁矿
🗣️ 情景例句
This is my sister Susan.
这是我妹妹Susan。
Now, we're doing something new making skin strong enough that it doesn't wrinkle, become dry, or develop blemishes.
现在我们正在做一些改进，使皮质变得坚韧而不致有皱纹，变干或产生磨损。
'Can I return these two tickets?' he asked.
“我可以退掉这两张票吗？”他问。