Silfbronze
西尔夫黄铜, 含锡镍 4Silfbronze6黄铜
🗣️ 情景例句
I give thanks for being here with my family and for being well,
我感谢能在这里和家人在一起而且很健康，
When I slept, he was out.
当我睡了时候，他外出了。
It was j-223,just double the second item.
j-223第二项的订量要加倍。