Mataline
钴铜铝铁合金
🗣️ 情景例句
instead of redesigning the entire system.
而不必重新设计整套系统。
She is very well, thank you.
她很好，谢谢。
It must have been about two in the morning when I returned home.
我回到家时，肯定已是凌晨两点左右了。