Mollerising
钢铁表面热浸铝法
🗣️ 情景例句
Politics are a sensitive subject of conversation.
政治是交谈的敏感话题。
Did you hear something?
你听到了什么？
I opened the cupboard door and then stood in front of it petrified.
我打开柜门，站在柜门前一下惊呆了。