Peraluman
皮拉铝合金, 优质镁铝锰合金
🗣️ 情景例句
How are you doing, Richard?
现在怎么样， Richard？
Hush! Talk quietly.
嘘！请小声讲话。
The entrance to the cave is on a plateau in the Dauphine Alps.
此洞的洞口在丹芬阿尔卑斯山的高原上，