Silfbronze
西尔夫黄铜, 含锡镍 4Silfbronze6黄铜
🗣️ 情景例句
Well, he will.
他会的。
May I ask you how old you are?
我能问你多大了吗？
By this time her legs were beginning to tremble,
这时她两腿累得开始发抖，