Silfbronze
西尔夫黄铜, 含锡镍 4Silfbronze6黄铜
🗣️ 情景例句
My company is a member of TOPS.
我的公司也是优秀老人协会的会员。
What is the way to the drugstore?
哪一个方向是去药房的？
Well, have you considered using the lab in your free class? I suggest you ask Mr. Wu.
噢，你是否考虑过在自习课上利用这个实验室？我建议你问问吴先生。