Silfbronze
西尔夫黄铜, 含锡镍 4Silfbronze6黄铜
🗣️ 情景例句
How's your mental health?
你的精神状态怎么样？
He is not fit to command others that cannot command himself.
正人先正己。
Is that tin of tobacco for me?
那听烟丝是给我的吗？