Sintropac
加铜铁粉; 铁铜混合粉末
🗣️ 情景例句
That's the recreation center and restaurant.
那是娱乐中心和餐馆。
When guns speak it is too late to argue.
待到炮声响，辩论已莫及。
On the occasions when they have pushed to shore an unconscious human being they have much more likely done it out of curiosity or for sport, as in riding the bow waves of a ship.
当它们偶尔把一个失去知觉的人推到岸边时，更大的可能是出于好奇或游戏，就像它们追逐被船首犁开的浪花一样。