Refractaloy
[冶]一种含Ni, Cr, Co, Fe 的耐700-750°C高温合金
🗣️ 情景例句
I'm sorry. For these large orders, we insist on payment by L C.
对不起。对于这样金额大的订单，我们坚持用信用证支付。
What is happening down there?
下面发生什么事情？
Sally was very excited because she had never travelled on a train before.
萨莉非常激动，因为她从未乘过火车。