Coronizing
扩散镀锌; 高温处理
🗣️ 情景例句
Big jobs--factories, shopping malls.
大的工程 ，工厂 ，大型购物中心。
What is that noise?
那嘈杂声是什么？
Everybody on board was worried and we were curious to find out what had happened.
飞机上的人都很着急，大家都急于想知道究竟出了什么事。