Ddec
abbr. decoppering 去铜
🗣️ 情景例句
Something else I'd like to know is...
关于其他我还想知道...
Mr. Jones spent his undergraduate days at Columbia.
琼斯先生在哥伦比亚大学渡过了他的大学时代。
We're having a lot of trouble filling this order.
我们这次供货很有问题。