Serpex
塞佩克斯碱性耐火材料
🗣️ 情景例句
I hear you're expecting a baby, Mrs. Stewart.
我听说你们快有小孩了， Stewart太太。
No,I'm not married.I'm still single.
没有,我没结婚，仍然是单身.
They help their parents to open their stockings, too.
他们还帮助父母打开他们的袜子。