Iecnum
铜镍合金
🗣️ 情景例句
It's not good to eat before going to bed.
在上床前吃太多不好。
He has gone to America.
他去美国了。[动作结束后的结果持续至今]
Perhaps it will solve my problem, but I just haven't had time to read it!
也许这本书能解决我的问题，但我一直还没时间去看这本书！