Kupfersilumin
库普弗尔硅铝明合金
🗣️ 情景例句
And the show will help promote it.
而这次展览会有利于促销它。
A cock is bold on his dunghill.
站在粪堆上，公鸡也称王。
He has been able to tell us more about active volcanoes than any man alive.
他能告诉我们的有关活火山的情况比任何在世的人都要多。